Dragon Quest 5 and Metal Slug 7, awesome. I won't bother with DQV because I am waiting for the inevitable (PLEASE!) American version, but Metal Slug 7 is something I might try out now for the hell of it.
If the following three apply to you... (1) Your warrenty expired, (2) You have technical abilities or know someone who does, (3) You have nothing to lose... Check out this (astechnica) for some information on fixing the system. Good luck!