drop bear
Sr. Grandmaster
I'd say go for public and private lessons for the reasons stated by gpseymour above. Out of curiosity, where in AZ do you live? There's Wing Chun in Phoenix, Tempe, Mesa, Avondale, Flag, Tucson... probably Sedona... Maybe there's somebody closer than you think.
Well also quantity. If you can hack a private in before a couple of classes. And you are out there for the day anyway.
You may as well.
Our guys will often travel to townsville or Brisbane to train.