1- My brother got one in 2005-ish and I've only played on it a few times.
2- Didn't have a PS1 so never.
3- The only ones I've played is GH2, KH2 and FF12 and I don't like FF-series that much :/
Predictions for December 31st 2008:
Wii 38,000,000
DS 84,500,000
PS3 17,000,000
PSP 41,000,000
X360 23,000,000