Don't forget the PRS website. The number of models will still be overwhelming but differences are described by the company itself.
http://prsguitars.com/products/
"It takes a lot of devotion and work, or maybe I should say play, because if you love it, that's what it amounts to. I haven't found any shortcuts, and I've been looking for a long time."
-- Chet Atkins
-- Chet Atkins