I've officially decided that Nathan Fillion is a performer who I would watch in anything.
Case in point, I bought season one of Castle on Wednesday after I sold a set to a woman on Tuesday. I had never seen an episode of it in my life, and of the half I did see, I was on the computer so I wasn't really paying attention.
One episode later, I can already say I love this show. I guess I'll add Castle to my regular television this year.
Shiny.