That's cool! I hope it all goes smoothly for ya! Pretty soon you'll be an expert at the Windows 7 install process!
Just remember that when you get to the portion of the install that shows the hard drive and such to delete all the existing partitions and create new ones.
When you create the new partition(s), the install asks for it in MB instead of GB.
So if you want a 32 GB partition, you take the number 32,000 x 1.024 = 32,768 MB, if you enter that number you'll get an exact 32 GB partition. And so forth, such as 64 GB = 65536
Have Fun! Be sure to download all the necessary x64 drivers for your notebook before the install.