If, after a wheel change the wobble is still there I'd say you can remove them from the equation, I'd start looking at things you have changed since it started that can make a difference, arbs and links ends should'nt effect it, which leaves discs, possibly warped?! Was it there before your alignment? Check how the weights have been fitted, for alloys they should be stick on ones, not ones that 'clip' on the rim
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