I just started this guy up! Inspired from picking up some mogs from icecrown! Works good for an unholy More so than frost, but I still like it!
I was a Paladin with the 7th Legion before death. So here we are. 
I use that one quite a bit as well. Maybe I’ll throw it back on later.
I tend to go with standard DK sets - saronite plate, scourgelord, etc. - but once I installed upgrades I discovered that the malignant leviathan set matched my upgrades really well.