yes go ahead and use your restore discs on a new hard drive, that should pose no problems unless your old hard disk has hidden data partitions used as an answer file for the restoration program. to fix your 10GB limitation try using a winME startup disk from bootdisk.com and read this article:
Fdisk Does Not Recognize Full Size of Hard Disks Larger than 64 GB:
http://support.microsoft.com/default...b;en-us;263044