None of this stops you from downloading DRM-free e-books, and here the news is more promising with the whole Project Gutenberg library and other gratis online sources at your fingertips. The Opus has 1GB of on-board storage which, Bookeen says, is enough for 1000 books. Not enough? There's a Micro SD card slot in the Opus' top edge. If DRM-free is your choice then connecting the Opus to a PC or Mac USB port and copying e-books across is all you need to do.

Bookeen scores points for adding an accelerometer, making it easy to flip from portrait...
Don't transfer music files - the Opus isn't one of those audio-enabled e-book readers. That means its battery is used solely for refreshing the E Ink screen, which it's rated to do 8000 times. The battery is charged through the Opus' mini USB either port from mains power or a data cable. A pink light above the screen tells you the battery is charging, this goes blue when the battery is full and also, rather irritatingly, flashes when the device works to open a new book or progress to the next page. There's a removable cover on the back of the reader's casing so that you can replace the battery.
The Opus' screen is smaller than usual: 5in, like the new Sony Reader Pocket Edition. But its 600 x 800, 200dpi resolution gives a clear enough rendition of text. There's no backlight, so you'll need a torch for under-the-covers nighttime reading.
The display can show four shades of grey, which is limited compared to what some of Bookeen's competitors deliver, but it's perfectly adequate. An accelerometer means the screen auto-rotates as you turn the Opus in your hand, and we think this is a feature other manufacturers should take a note of.

...to landscape orientation
At 151 x 108 x 10mm, the Opus would fit into some pockets, and at 150g it's hardly a burden to carry. It comes with a slip case which increases those dimensions somewhat and which doesn't do justice to the lovely, copycat-white plastic of the Opus itself.
COMMENTS
not all PDFs are the same...
Some are properly designed from the ground up for reflow, many are not. And a good few are not even proper e-documents, they are just effectively just pictures taken by a scanner. Meaning on an e-reader PDFs may be great, poor or a bag o'shite. Not great.
Mobipocket - Jury's still out but I wouldn't be surprised if this dies as a multi-vendor format. Sony has gone e-Pub, giving that a huge boost which with Amazon's loving embrace may turn mobipocket into a kindle-only format.
And yes, these gizmos are not a like-for-like replacement of paper books or PDA/phone readers. But in their niche they are very handy. I'm going to New York so I spent last night loading 15 books onto my Sony. I don't fancy taking that many paperbacks in my hand luggage, or reading on PDA for six hours at a time.
DRM
Sony's reader software has the same limitation on support for different DRMs, and also comes with Adobe's as default - you cannot cohabit different DRM books on the same reader. Which is a bit shit to be honest.
@AC 15:49 You may have just been lucky with the types of PDF you've encountered. I have the same machine as you and the PDFs I've tried have been a very mixed bunch - some behave well but most look crap when zoomed, with line breaking all to pot and graphics illegible and ugly.
@putonghua
You've been robbed old son. For 220 quid (whsmith) you could've got the new Sony Touch. That is audio-enabled, allows user-generated bookmarks and notes, and is touchscreen. As for your "No ereader can read pdf unless it's small", that's nonsense too. The Sony Touch next to me will happily convert pdf to larger sized fonts without crappily zooming in on the page. I've read 15 full-length books in pdf, 3 in .txt, 4 .docs, an epub and there's no appreciable difference between the formats.
For the extra 25 quid I know what I'd rather have, and it wouldn't be some tacky plastic thing.
Auto rotate?
Terrible misfeature in an ebook... that you're likely to be wanting to read in bed, lying on your side. Manual rotate is fine, but which way is 'correct' is entirely down to the position of the user.
I much prefer the larger screen of the Sony - the more text on the page the better - after all the primary purpose of the device is to read.. everything else is fluff. They *are* too expensive - even more so if you pay UK prices for the ebooks (mostly they're at hardback prices - completely insane).
Bookeen Cybook Opus e-book reader’
I sold my Nokia E73 and with the proceeds and a bit more cash, bought one from a supplier on Amazon for £195.00.
The device is a good size and fit, and is certainly pocket sized (if you have wide pockets). The navigation pad and UI suffers from using the iPhone, because using the pad feels a bit stiff and there is an audible click; page turning via the thin buttons on the side of the device feels a little awkward, and I'd rather use a pad than have to click separate buttons. Better still, I'd prefer a touch-screen device.
The accelerometer is extremely good and responsive, and reading books is generally a pleasure. However, reading PDF files is still problematic unless one uses small text (issue with ALL E-readers) - a different sort of eye-strain than using a laptop / desktop pc.
Battery life, is as one would expect, excellent. That said, I rarely use the device but does seem to retain the charge well. One point to note that the supplied charger is via USB port.
I'd disagree with the following section of the review, "An e-book reader is only as good as the material it can hold". Er, not quite - if that was the case then there would be no discernable difference between the e-book readers. The difference is functionality, or lack thereof, and allowable formats.
The major drawbacks of the device are:
1. lack of user bookmarks
2. lack of annotations
Point 1 is a major drawback, although the device does open at the last read page for each book. Still, I'd prefer the ability to use bookmarks.
Point 2 is a major / minor drawback, depending on one's usage. For me, minor - but for the price I would like to have this feature.
Booksonboard is an extremely good site, so no problems there - unlike eBooks.com where infuriatingly, a number of publications are not available for readers in the UK due to copyright!?
This is the crux of whether E-Readers will become a success:
1. Availability of material (in one's region)
2. Availability of format (so 90s - still cannot believe this is an ISSUE!)
3. Price
I love the concept of E-Readers, yet I would advise all but the most rabid reader (or those like myself, who plan to emigrate and / or travel [China / Japan] and need to save room) to wait for to see if the above issues are resolved. I think that prices need to fall on devices by 50% before we see some traction. Although I paid £195, in retrospect I should have waited as I don't have a pressing need to use the device.
If an E-Reader comes on the market that allows user bookmarks, annotations and is touch-screen, I'll sell my Opus on the secondary market and buy such a device.
My advise to readers is to wait and see because there is a flurry of E-Readers which are scheduled to appear on the market - which should hopefully mean improved functionality, and a downwards pressure on price. If you mainly read PDF files, then an E-Reader is not appropriate for your requirements.
Cheers!
