In the same line as Lydy, I like "Serendipity" and, really, most things that John Cusack does in the romcom vein. Even "2012", which is part romcom, part action, and mostly a live action road runner cartoon.

Except "for Hot Tub Time Machine". I'm pretty sure he lost a bet when he made that one.

I'm sure I'll think of others as soon as I shut off the computer and go bed.