Chroma Key Lighting?

Im looking at getting some sophisticated lights for green screen any ideas besides work lights.Such as a href="http://www.amazon.com/Northern-Industrial-Portable-Halogen-Worklight/dp/B000KKJTA2/ref=pd_bbs_sr_5/105-5893786-0666832?ie=UTF8&s=hi&qid=1191415373&sr=8-5" rel="nofollow"http://www.amazon.com/Northern-Industria…/a