I've been watching that for some time, its a great cause and has alot of excellent speedrunners in there. One of the Super Metroid pros, Garrison, was one of my personal favorites who showed up and demonstrated his talents during the run - beating the game with a 'slow' time of about 49 minutes...
This run is almost over, its going to end on saturday, but they've already amassed a whopping total of $300K dollars! If you want to have a good time contributing to the fight against cancer, and enjoy some amazing speed runs of many games across many platforms, then you should stop on by....