If you mean are there cheaper comm truers, then yes. I'm sure that replacing the comm would be cheaper but new commutators don't come trued. Like I said before, comm truing is usually reserved for the racing folks and not the casual runner or basher.
Here's a link to US dealers that carry HUDY comm lathes/truers.
check with your lhs they true mine for free. as long as theyve seen your face before theyll probably do it for free, a happy costomer is a returning customer.