Buffer for polishing.

I use one I bought from Meguiars a long time ago and love it. It is also sold by Porter Cable. I don't see it on their website anymore but here is what they replaced it with. It seems like it is even better.
http://www.detailing.com/store/meguiars-dual-action-polisher-g110v2.html
It looks like it is the same as this one by Dewalt.
http://www.factoryauthorizedoutlet....-inch-variable-speed-polisher-with-soft-start
This is basically what I have.
http://www.factoryauthorizedoutlet....-inch-variable-speed-polisher-with-soft-start