The Daytona is very eye catching and seems to be more trendy (if you can even call a Rolex that). But it just seems more fun and hip.
Whereas the President is a classic and can certainly be dressed up or down. Young hollywood has certainly turned this one into a "cool" watch lately too though. I love how it can be formal yet fun and casual at the same time!
I like the one with the black numerals. Not crazy about the the gold date display, the red on the hands, or the "ring" of minute markers around the one with gold numerals.