Cheap as chips wheels

TheBrick(Tommy) sheldon brown has a good set of instructions. Take your time and all will be well. I Use and old set of forks as a truing stand and this as a dishing tool

A quick explanation is on here http://thomasbrickell.googlepages.com/wheeldishingtool poorly written not maintained, but should give you an idea.
tommy thats the biggest thing you've had between your legs for a while ;) :p