Philadelphia Story is the film that I saw all of the three main stars for the first time which says a lot because that means I hadn't seen Vertigo, Rear Window or North by Northwest up until this year. Yikes :< I absolutely love PS though (OH C.K. DEXTER HAVENNNNNNNNN! ) and would put it up there as one of my top three films of all time (Shawshank Redemption and Casablanca being the other two though The Godfather is pushing that top three). I'm still pissed Tracy didn't end up with Mike though I guess it makes sense that she got with Dexter again.
I'll add both Thin Man films and TTotT to my watch list. Any others? You've just reminded me I've got Arsenic and Old Lace sitting there waiting for me to watch!
Not heard of Two for the Road but I'll keep an eye out for it. While on the subject of Audrey, have you seen How to Steal A Million? If so, what did you think? I've still got Roman Holiday to watch too thinking about it