Get one of the new Porter Cable random orbiter buffers. My son purchased one for his Vette and it is great. It is not your whimpy el cheapo buffer. It is much easier to use than a traditional buffer, and is also much safer to use.
http://www.shopping.com/xGS-Porter_C...in_id-3062926~
You can find them at Lowes for around $90.
Vince