I really have nothing bad to say about this place. I always come at night so I have yet to experience any of the parking dilemmas I've read about. I live by and have experienced the parking horrors of Camelback Colonnade.
It's not really fair to compare the two because Tempe Marketplace has most stores one would need to warrant a trip out there. I can only say that I can hit Target or Barnes and Noble easily enough and have been in and out in a reasonable amount of time.
No complaints and pretty convenient when there are multiple stores I want to hit,