Ok I can save you all the trouble here.
Kodak has a whole system of cameras, printers, docks, software, etc...all designed for technophobes like I'm sure your parents are, to be as idiot proof as possible.
So snag a
Kodak C875 for em, and they will be happy. It's cheap, it's simple, it takes nice ready-to-print pictures, and they can add a dock or printer or whatever and manage all their pictures in as user-friendly a way as possible. Here are some reviews:
http://www.dpreview.com/reviews/read...key=kodak_c875