DA Sander

I am starting to think about Body and paint work. (I have done very little) I am going to start in the engine bay and although most will be by hand, I wanted to get a DA to help with some of the prep.

Is this a decent piece?

http://www.tcpglobal.com/TCP-SA7330_2.html?sc=114&category=1935825#.VmXFTnarTRY