As the title say i'm thinking of buying another monitor to go along with my iMac, i cant decide on a size. I would just use it to have itunes open and maybe aduim. So those of you with iMacs and are runing dual monitors what would you suggest? I dont plan to play games on it just gimp and things like that nothing to taxing. I have a Intel iMac 20inch with 128megs or vram