I did this on livejournal once with pictures.. http://lemonlimer.livejournal.com/109315.html#cutid1

• Jack & Rose from Titanic
• Juno & Paulie Bleeker from Juno
• Amelie & Nino from Amelie
• Ashton Kutcher & Amanda Peet* in A Lot Like Love
• Johnny Castle & Baby from Dirty Dancing

Best Fanfic-y Couple

• House & Cuddy (ha, not fic anymore)

Cute TV Couple

• Derek & Meredith from Grey's Anatomy

[*Character's names are Oliver and Emily but nobody cares]