recently i bought Toshiba A305-S6898...having 4 GB ram ..C2D T5800...i have removed the preinstalled Vista 64 bit ...and while installing win xp 32 bit i got some problem during installation of graphic card but i managed to install them...but it runs very slow...it takes 15 to 20 minutes to boot...can u suggest me what should i do?...should i go for xp 64 bit?