My friend (rogue) and I (mage) have been trying 2v2 recently. He only hit 68 the day before Wrath came out, so he is undergeared and underexperienced. He is in almost fully epic gear from 10man naxx/os etc now, but refuses to get the savage set. To put this in context, we are sitting around 1500 constantly, with a 50% win ratio, so unless something changes we're not going to go up. He says that his current PvE epics are far better than the savage blues, and that if all goes right, he shouldn't be getting hit anyway. The problem is everything very rarely goes perfectly, and more often than not he dies, leaving me to finish off our first target, or 1v1 the last. How do other rogues feel about this?
Tl;dr: How do savage blues compare to 10man epics for a rogue in rogue/mage comp sitting around 1500?