Originally Posted by mike_bike_kite
The USB dongle thing still looks like good value but I'm guessing an ereader might have problems powering it and 1GB still looks very limiting.
1GB is loads for e-mail and basic web browsing. I typically find that handling my day's e-mail via my ISP's "webmail" interface uses around 1MB of downloaded data, so that costs 1.5p with my Vodafone dongle. With webmail, of course, you don't download all your mail - you just delete all the crap (which is obvious from the title) without reading it, then read and respond to the handful of messages which remain. As I say, in over a year, I've used less than £1 on credit on my dongle, so for me personally, it's the perfect solution for occasional usage.
That's with a netbook, of course. Such things don't work with eBook readers.