Congrats on approaching 2 plates! It's a huge boost to the ego and motivation when you can.
Personally I would hold off on powercleans 3 times a week as they are a heavy/large movement.
theblackkeys have you ever read this thread on bb.com?
http://forum.bodybuilding.com/showthread.php?t=998224 (sorry no lazy link) It's on the the FAQ's abouting starting strength, it inlcudes the abdaption to the original program and has some great info in it. Warning it's long so put aside some time.