Very different styles. I've seen more spectacular stuff from Splinter, perhaps because he's simply made more replays. But Nightin's are very unique and have a certain grace to them that I really like.
tl;dr I don't have a fucking clue.
[19:39] <Birdflu> I'm just sad that I can't give myself one
[19:39] <Birdflu> I'd have a great time