It's nice how you're only mentioning post-2003 games. >.> I sure as hell consider them to be modern.
Here's real oldschool beauty:
And who said newer boxarts aren't nice?
And an, in your definition, non-modern one:
Had to post it because it's so pretty.
You just need to know where to look, anyways. There's plenty of modern boxes with nice art.
I will never think they are
as pretty, though. Nothing beats the old stuff!
EDIT: One MOAR!
Come on. You know you love it.