VC/WW - Mega Man 10 (1,000 points) - Dart Rage (600 points) - Happy Hammerin' (500 points) - Fatal Fury Special (Neo Geo, 900 points)
Retail - Alice in Wonderland - MLB 2K10 - Project Runway - SpongeBob's Boating Bash
Rock Band DLC (Tuesday) - Disturbed: Meaning of Life - Disturbed: The Game - Disturbed: Voices - The Mother Hips: Third Floor Story - The Mother Hips: White Falcon Fuzz ("Will come out in Europe only on March 11.") - Silversun Pickups: Panic Switch - Silversun Pickups: Sort Of - TRUSTcompany: Downfall
Guitar Hero 5 DLC (Thursday) - Blink-182: First Date - Blink-182: All the Small Things - Blink-182: Adam's Song
If you're still struggling with this and have held onto the game, maybe the patch they've just released will help? There's nothing specifically mentioning your problem, but maybe it's part of the memory leak issue?