Wow, they still haven't fixed that?
Slackers. If I ever have cause to buy another irex device, I'm going to take the trouble to buy it from somewhere else. I'll certainly never buy any books from there (not that I can read them anyway!)
WH Smiths have quite a few ebooks priced in pounds.
Pan Macmillan are supposedly releasing most of their catalogue in a month or so (hopefully DRM-free too).