I'm back on YAC again.  Mining with a 7970 - HIS Turbo iceQ X2 3 GB.  I'm getting 259.  Once trick if you want to squeeze your CPU as well.  If I set the affinity of cgminer (with priority high) to one core and the affinity of the other cores to the cpu miner - I can continue to pull 259 off of the GPU as well as pull hash off of the CPU.  With litecoin - I can't do this.  My card runs cooler on YAC as well.