I've had one with the miniDV tapes and one with the little mini DVD. Both sucked ass as far as getting the content onto other media. The mini DVD one was supposed to work so that you can pop it into a DVD player and go, but it only worked about half the time. And you have to format and finalize and a bunch of other bullshit. Too much hassle.
And batteries suck on all of them. That's the worst part, imo.
My next one will be an HD camera with a hard-drive. They are still pretty pricey, though.