Originally Posted by FBinNY

Please note that rims are usually pretty round when you buy them. If you laced this wheel then odds are that YOU introduced the error when you tensioned the spokes. Keep in mind that the spokes shape the rim, not the other way around.

I say this, because you seem to be headed in a direction where you'll spend more money only to end up with the same or a similar result.

If, as I inferred, you built this wheel, you now have to finish the job by allignining it.