I tried searching but couldn't find much about this problem. I have a unibody MB 2.4GHz. Every once in a while, usually after a few days of going in and out of standby, I'll get some weird glitches. If I'm scrolling a list of files or long pages, instead of it scrolling smoothly I get these random white boxes. I've also noticed at times when using TextEdit and scrolling, some lines will get messed up, sort of like two lines combine. Also I noticed today when it goes to the screensaver it also does some weird glitches. After I reboot it'll be fine until a few days later when it'll start up again. Any ideas?