A well-stocked toolbox will look like this. Besides the hammers and dollies, there's a dent puller, body file and a Surform. All tools are available from Sears, but for heavy-duty work try Marson's ...
There's little reason to be afraid to tackle minor body repair work right in your own backyard. It really isn't that difficult, there's no magic to it, and it can be done with a minimum of hand tools.