Personally I'd love some TF2 themed skins; A skin for either Tracer or Genji to make them look like Scout, a Pharah skin that puts her in Soldier's uniform and helmet, with her rocket pack just being some of his rocket launchers, with maybe a Pyro skin for Winston making his electicity into flame particles, a Demoman skin for Junkrat, a Heavy Skin for Zarya, a Engineer skin for Torb, a Medic skin for Mercy, A sniper skin for Widowmaker, and a Spy suit for Sombra.
Hell, I'd be happy of we got some Overwatch cosmetics in TF2, that would be sick!
What one's would you guys like to see?