People usually let it dwell for 5-10mins. After 5mins, "most" of the suds are off the car anyways. Poorboys Super Slick and Suds has nice suds and lubricity(SP). Another great one is Duragloss 901 Car Wash. It's like $4.99 for 16oz from autogeek.net and it has MANY MANY great reviews.
Below is a review of quite a bit of popular and not so popular soaps.