17 Again

Rent-it - The story has been done a hundred times before but never this well, and never this funny.  Zac Efron is 17 Again and if for no other reason, see it for all the geeked-out references.

500 Days of Summer

Rent-it - Rarely do you find a romantic comedy that feels like it could actually happen to you, but 500 Days of Summer plays out like every relationship you've ever had; however, managing to remain completely intriguing along the way.