Refurbished and Clearance Apple Items

I think I have posted more than once that I would love to get into and learn the Apple family of, I'm not even sure what term to use, Macs. I am not sure if the term Macs includes all of their "PCs", but that is what I mean for it to indicate. Apple does have a web site where they sell refurbished machines, and there doesn't seem to be a lack of good machines available here:

http://store.apple.com/us/browse/home/specialdeals

There are also a lot of refurbished iPods at this site.