This might deserve its own thread but for those of you moving to a new drive will save a LOT of headaches using a free tool from Acronis called Easy Migrate.
I got a copy free on the cover of a pc world magazine. You can also download the free trial from
www.acronis.com - it's worth the registration.
I recently moved my 80 gb to a 200gb sata disk and i didn't even need to format the disk, the software did both that and the partitioning.
The hard part will be the installation and setting up the disk so that the bios and Windows recognising it.