J&R is selling several colors of JetBook Mini for $50 with free shipping -- at least, in the US, I don't know about internationally. These are all listed as limited availability, clearance items, so they may sell out. Or, they may go back up in price. I'm pretty sure it has been a while since Ectaco made any new ones. Newegg still has some, but they're selling them for $83 each.
If you're not familiar with the JetBook Mini you should watch the video introduction they have -- the Mini is different from most other ereaders on the market. Personally, I like the differences, but not everyone does. (Still, using AAA batteries makes it a good option for vacation travel.

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Anyway, if you've been thinking about getting one, there may never be a better time.
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NOTE: The sales listing claims it reads ANY format -- that's really not true. It reads ANY format ... AFTER you run the ebook through Calibre.