I really like the CGMiner app for use with GPUs. It has a lot going for it in the way it can be tweaked and automatically control the fan and cycles to keep those expensive GPUs from burning up. What are they btw? Nice 1500W PSU too.
Check out "WeMineLtc.com" for a pool to use.
Thanks for sharing, my hats' off to you!
Feel free to PM me anytime.
7970s have twice the hashing capabilities of 7950s.