here's my $0.02:
I was pretty much feeling the same way you described in your first post: I wanted/needed an e-reader (that was supposed to be a device to read books on, no mp3, no text-to-speech, no surfing the internet, no wireless, nothing - just a reader. but a
good one.). I was eagerly awaiting every new announcement of every new e-reader that was supposed to hit the market - I dreamed about Plastic Logic Que before anyone ever saw a picture of it, but when it finally came out, it was waaaay too pricey and, honestly, filled with unnecessary (imo) functionalities - and btw, when is it going to be on sale for real?
hm, I'm digressing. anyways, I came to this forum looking for advice, thought I was going to buy a sony prs600 (because prs900 was/is not available for sale in Europe) and then somebody here suggested iRex DR800 (because I also read a lot of scanned image-based non-reflowable pdfs that are poorely (if at all) displayed on smaller screens) - so I took a look, thought it was too expensive but in the end decided to buy it. let me tell you, it's a beautiful product, does perfectly what it's supposed to do, with the upgraded firmware (which works flawlessly) there are added possibilities of dealing with documents (zoom, word search etc.). There is also a third-party software (FBReader) that displays formats not natively supported by the device (mobi, chm and a bunch of others I don't use), and there is a number of other applications that I don't use, but that could be useful to you (there's an incomplete list here
https://wiki.mobileread.com/wiki/Digi..._for_the_DR800 ) .
The device itself is very user-friendly, I like the design and the ergonomics of it (the flipbar is great), I use it close to 6 hours every day - it's everything I wished for, my only regret is that I didn't buy it sooner
hope this helps you in your quest