Posted 27 October 2011 - 09:53 AM
In essence...it really doesn't matter what size is initially selected for a partition or drive (IMO)...because such can be changed later by the user.
I will say that...if I were cloning a drive, I initially just go with the partition/drive size on the drive I am cloning. I use multiple partitions and my C: drive for Windows XP is never more than 30GB, while the total drive size may vary.
You haven't told us anything about the system or the method used to install Windows...and the old drive may be using hidden partitions for system or restore/recovery files...so I would just clone the entire drive, as it currently exists.
You can later used Disk Management or appropriate software...to create any additional partitions you like on the larger drive.