Welcome, crosbycail!
Well, you have the option to migrate or clone your current OS HDD to your new SSD. If you have the Windows Installation DVD/USB, I'd recommend a clean install though, you might need to re-install everything but at least you'll be starting fresh with the new SSD.
However, if you don't have the Windows Installation, cloning/migrating are your only other options. Here is a detailed tutorial that explains everything you need to know about migrating/cloning without re-installing Windows:
http://lifehacker.com/5837543/how-to-migrate-to-a-solid-state-drive-without-reinstalling-windows
Hope it will help you! If you have any questions, feel free to come back and post about them!
SuperSoph_WD