Have the tank purchased half a year a got and the system is running 4 months old now.  Thanks a doing well, so far and I already see some growth on the LPS.  Got the birdnest frag from Ultreef and it's almost 2 weeks in my tank and is doing well.  I'm so excited about the sps is doing well. 
http://www.youtube.com/watch?v=eLOAOMLY-sM