Right, how round a chainring is generally doesn't matter unless you're riding a fixie. For the others, chain tensioning devices (derailleurs etc) will take up the miniscule changes in slack. I mean, all these rings are made on CNCs, so I wouldn't think the roundness would go off more than 1/100th of an inch at most (just guessing here), but apparently it does make a difference.

That's why I'm asking, but thank you all for all your help.. I'm probably just going to go with the Rocket Rings.