Would love to see Soul Reaper have the same animation as the Lich King's 'thrust' where he swings Frostmourne underhand into a thrust.
DKs are missing a bit of.. flavour. (eg. no fancy animations except D&D/remorseless, no fancy unholy aura animation similar to destruction warlock's burning glow)
I really hope that they change Dks completely (atleast frost) because after doing the same 4 button rotation over and over again for 2 expansions is just painful