I use the Toshiba PDR-M70, it's a 3.3 mega-pixel, and it can take up to 5 minutes of video too in AVI format. It's a pretty sweet unit with loads of features. Again, as these guys have said, you get what you pay for and the PDR-M70 doesn't come all that cheap.
I also use the Kodak DC-210 plus as a backup, but they no longer make this particular model (I got the last one in Canada, hee hee). But kodak does have some new series that are very good for a good price.
Check out
http://www.toshiba.com and
http://www.kodak.com for comparison shopping.
Good luck,
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