For ages I've been looking for something simple like this - no Wifi, bluetooth or 'phone just a portable screen on which to read large technical PDF's.
I find it very difficult to sit at our main PC and read these things, and printing them is very wastedul of paper and ink.
A 700eb turned up in my Chritmas stocking and it's excellent!
It came with several classics loaded in e-book form so I took a quick look at one of those and I couldn't fault it. The print is clear and easily readable, and the pictures look good. No need to zoom or scroll.
Next step was to pump a few of my PDF's into it from the PC.
Plug in the USB lead and PC sees it as a mass storage device. Simply drag and drop the files over to the 'Elonex 700' drive and plop them in.
Image is clear and clean. Some PDF's had very small print and it was necessary to zoom, but here I found a gripe - you can't turn pages with zoom on! You have to cancel zoom, turn the page and then re-zoom, a bit of a chore.
Otherwise it's great. It plays MP3's and WAVs, displays bitmaps, jpegs and gifs etc and even after only 5 hours on charge the battery lasted 6 hours.
No touch-screen, but I don't like greasy fingermarks on my displays anyway.
It feels solid and sturdy (it doesn't bend or twist when I press a button) and as long as it doesn't go tits-up I'll give this a thumbs up.
£79 from Asda direct, apparently.
No doubt there are zillions of similar things pouring out of China for less and probably with more features, but this was just what I wanted.

You can honestly read "large technical pdfs" on the 7 inch screen? I ask because I expect these to be 2 or more column format. Personally, I only find a device acceptable that can render a legible full page without have to track around in it.
I thought half the point of ereaders was not using the battery whilst reading the pages. But then they came out with touch screen ones that drain the battery anyway!
What you seem to have is a stripped-down pda/tablet.
Can you search within pdfs?

Yes, I have to slide the image around in multi-column PDF's, but it's only a matter of pressing the <> buttons.
To read this format without zooming and scrolling would mean a huge screen!

I ordered the very good spec Kogan 7" because they advertised it as having a 1024 x 600 screen.

I cancelled when they erred and corrected this to the more basic 800 x 480.
It's still great value though not for me now.

Just an update on my Elonex 700eb.
The original one which I got for Christmas 2010 went peculiar in June - it would get stuck, shut down and then cycle on and off.
So back it went for a replacement.
New one arrived in days with new firmware and an extra GB of memory. Better and quicker, but any attempt to use maximum zoom on pdf files results in a crash. I can manage on 3/4 zoom, but max zoom would be nice. So I've just emailed Elonex (good luck with that, I hear you say) to see if they have a clue.