Camera 3 was in my dream last night, for some reason. Serves me right for foruming before going to bed, I guess.

In answer to your question - if you want a camera, then I'd go for the Samsung. But if you want more than a camera, then Camera 3 would be the one - and in all honesty, unless you've got a damn good eye, it'll be hard to distinguish between a 5.1mp and a 7.2mp picture.