This could have something to do with the fact that the PS3 version runs at an upscaled 640p (1152x640) resolution rather than native 720p or above. Discussed here
If you're looking for an art with grapples/chokes/holds etc then like most others have said you'd want to do jiu-jitsu.
I recently took up a Korean form of Karate called Soo Bahk Do (similar to Tang Soo Do) and reckon it's one of the best things i've ever done. I've only been training for 5...
OK here's one of mine:
Griddled Tuna with a garlic, chilli, ginger & coriander marinade
For each Tuna steak:
1 large garlic clove (grated),
the same quantity of grated ginger,
a good handful of chopped coriander (cilantro) leaves,
1 red chilli - de-seeded and chopped.
Mix all these...