I remember friends buying in westpark and newer northwood areas and having a 30 year Mello-Roos tax to pay each year. Essentially it is about the same cost as ONE additional house payment per year that makes the new homeowner help pay for infrastructure like schools, lights, roads, greenbelts...
Sushi Time on Walnut, west of Jamboree and not quite to Tustin Ranch Road on the south side of the street has fresh sushi and an All-you-can-eat for $25.00 - no time limit. Trendy sushi place for all-you-can-eat sushi that lasts 2 hours is California Beach in Newport.
Thai Bamboo is...