Check this out.http://ps3gamingleague.ds4a.com
There are leagues for call of duty 3, rainbow 6, motorstorm
and furture games like cod4 and Fifa 08
The call of duty league is brilliant ! I have won the first season :Jump: with three games left, but you can still join up and get a taste what it is like and then be ready for season 2 which kicks off in october.