Perculas will take to a LT as well as Clarkii's. That's my experience.
Your 175W MH
will probably be sufficient, depends how deep your water is.
Finding a healthy specimen is quite difficult. The closer you live to a major importer the better. LFS
's generally don't care for them properly. The one's around here leave several in a bare tank, floating around waitng for some poor sucker to buy one and let it finish dying in his tank.
If you can get a tank raised (cloned) bubble tip you are way ahead of the game. If you can provide an ideal environment and get it to split it will pay for itself.