Serotta and Lynskey are both bike gods. Between those guys, just pick one.
We don't know what you are looking for or what would make you happy. We don't know how you ride or what makes you wet. We make our own bikes and talk about welding and aligning frames.
My suggestion is to get over the shopping part of your adventure as quickly as you can. You won't know if you have made the right decision til you have 2000 miles on the bike.
I go for stuff that makes me feel fast.. which bike made you want to ride fast?