On Fri, May 28, 2010 at 8:13 PM, Gaurish Sharma <contact@xxxxxxxxxxxxxxxxx> wrote: > Hi Nilesh, > I would suggest you to stay on 32bit arch untill you are ready to migrate. > > Regards, > Gaurish Sharma > www.gaurishsharma.com > ^+1 you wont get much performance improvements by using a 64 bit os. but if u have 4gb or more ram then u should use 64 bit to fully utilize it.