Here are a few font pairings that I think look great. I'm using my own fonts, but you can easily replace them with others of the same style. Some pairs are more traditional, some are more unusual. Check them out below (click for full size and description):
As I am about to release a new font that relies heavily on the OpenType feature "Contextual Alternates", I thought I would make a tiny tutorial on how to access it when you're using MS Word (*shhh* I still use it a lot).