I have both and to be honest they both have their pro,s and cons
For online gaming their really isnt any contest ...360 wins
For single player gaming i,d also go with the 360 as to the amount of games available at present
However the ps3 it starting to come together in both price(299 for 40 gb version and 349 for 60gb with backwards compatability)and games as they have bucket loads coming this side of xmas.
A hdtv with is a must for either of the consoles if you want the best possible experience.A ps3 is a waste if you are using a bog standard telly.
Resistance :Fall of man is a superb game for the ps3 btw
Feel free to add me "budge1972" on both
btw loads of 360 elites at blockbusters
last time i looked