I've got a Cooler E book. Got it from Argos for 169.00 with a free protective cover - but I think the price may have gone up now.
I like it. It comes pre-loaded with 10 classics (Moby Dick, Treasure Island and the like) and will take around 80 more e books without an SD card, and 1000 with!
You press a button to turn the page, pages are about the same size as a normal paperback. the screen is designed to look like paper, so no glare.
Takes Adobe Digital Editions and all the other varients (the one I've got has the most possibilities)
Battery takes 3 hours to charge (but 8 hrs for very first time) and will last for 80,000 page turns! I haven't tested that out yet tho!
Only thing I dont like is no back light, but then how often does an adult want to read in the dark!
The website is here
and a review site is here
I'm very happy with what I have got, but possibly, now I know more about them, would go for a BeBook (reviewed on same site).
One thing, they do have to be treated a bit with kid gloves, the screens are very easy to break and the company is not that easy to get hold of (luckily Argos was really good and changed mine without a quibble). So for that reason alone I would buy from a high street store rather than online.
If you check the review site that problem is not just with cooler books, a few people have left comments saying their screens have been damaged...
For that reason alone I wouldn't spend more cash on a Kindle (that you can only use on Amazon, and wont take other digital editions) until all the gripes are worked out.
(I'm like you, I wanted to wait until the gizmo was perfected and the prices came down, but DH bought it me as a present!)