One of my favorite parts of MoM is the hero building aspect. Coddling a hero (Fang, Amazon, Ninja are my favs) till they get a couple levels and then outfitting them with every buff possible as well as an ever improving set of items. Then taking that hero and wiping the floor with the cheating AI 
Think my fav is 4W, 2B, 1G for the buffs. Played a 7W last week and while good, missed the blue buffs. Just finishing a 5Bl2G and don't really like the death buffing capability. On my 3rd straight game... still loving it. With the updated cheating AI, I'm finding klackons good for getting to your super stack...since that's pretty much what's needed to do much of anything. Doom drakes were good too... paladins seem to get wiped too easily now.