Dealer service in Stockton / Modesto / Sacramento area?

My wife and I just bought a 2012 Prius - our first Toyota - and I'm looking for a dealer to use for at least the first two years of maintenance, and then a dealer or an independent thereafter. We live in Stockton, so anywhere from Modesto on up to Sacramento would be fine (Lodi, Elk Grove, etc.). Anyone have any experiences with the dealer service shops in this area, or a recommendation? Thanks very much for the help.