King of Fighters XII ups the res on its sprites.

Wondering how much a difference a few pixels can make?

Then check out Iori new VS old:

And Terry (not Andy -- thanks Reno!) Bogard:

More comparison shots at Hachimaki. The "omake" bonus at the bottom of the page is a comparison pic of Athena and Kensu to their 1986 form in Psycho Soldier.