Megapixels just don't matter
It's been long debated the worth of megapixels, but tech writer David Pogue actually ran a test for an episode of "It's All Geek to Me" on the Discovery network. They took a 13 megapixel photo, down rezzed it twice to 8 and 5 megapixels, and then blew them all up to 16x24 prints. They then took the three prints to the streets of New York and had passersby see if they could tell the difference. Turns out only one person correctly put them in order of megapixels - a photography professor - and 95% couldn't even tell the difference. So even though more megapixels sounds better in theory, 5 is pretty much good enough for whatever needs you might have. Unless your needs are sexual. In which case no camera except my Sex-O-Cam 2000 is gonna cut it.