i'm gogin to back the Lord...sort of. It depneds on how you intend to use them. If you want a Khorne army then i would say go with a lord other wise a Prince. I have just finised converting my Lord on Juggernaut with Lighting claws and melta bomb. 7 attacks on the charge, 3's the hit, 3's to wound with re-rolls. thats going to hurt.