I have both and there are more minorities (by ratio) on PS3 from what I have observed. The 360 has soooo many children though… doesn’t make sense considering Live costs money.
I like the 360 controller feel, software interface and Kinect is just plain awesome.
I like the PS3’s rechargeable controller function and bluetooth abilities.
If it wasn’t for Halo and Gran Turismo being exclusive to their respective consoles, I would have one system and that would be the 360.