A main objective for the 1-wire mod is to eliminate excess problems with wiring throughout the ecu or external voltage regulator. So if you have problems later in the future with your setup, it will be easier to diagnose the problem.
And I dont think Autozone or those places even sell 1-wire alternators because I asked them once if they had them and they didnt even know what I was talking about.
But motorcityreman.com has pretty good alternators, I have two 1-wire alternators from them and they have lasted for years now and they also come with a lifetime warranty on all their alternators.