Tanger Outlets immediately reminded me of Fashion Island in Orange County (minus the ocean views, of course). It is modern, clean, and has a nice selection of popular stores.
The one big difference would be the price-point. I don't know if it is due to the grand opening or not, but there are 50%+ off sales to the left and right. Yes, the prices are probably inflated a bit before applying the discount, but there are still some really good finds. I scored some Banana Republic jeans for only $35 each and some of their graphic t-shirts for only $7.
So, the sales are creating a sort of Black Friday effect. People are rushing left and right to find deals. The parking scenario is horrible as the entrances aren't adequate for the amount of cars coming in. The traffic control personnel are incompetent with directing traffic and belligerently yell at people in their cars as if we are in freaking NYC or something. It's possible that Hurricane Sandy forced them to leave their jobs as New York cabbies to come here for work, which would further account for their unwarranted hostility toward reasonable human beings.
Tanger is going to continue to pull the southwest Phoenix crowd in as well as draw many of the people who traditionally go to the Arrowhead vicinity. It may also have a positive effect on Westgate as a whole as its strategic placement will allow Cardinals and Coyotes fans to pass through on their way to or from a game.
In all, I recommend checking it out and I will probably be a regular.
8/31/13 update: The parking situation has now been resolved and the traffic has died down significantly.