I'ne never had xDSL but have had my cable modem for about a year. In Prime Time my speeds may slow to 500kbps down 300 up but at times I can get over 2000 down and 600+ up. From the posts I see here at DSLREPORTS those speeds are unheard of for $40 a month (including modem rental). For me COMCAST@HOME is a great value.
True, cable works nice, but,but resently Comcast did ament their service agreement so you are not allowed to use VPN or make your own mailserver. At least one DSL provider gives you that for the same money. This is for many a serious restriction. We are several changing to DSL for that reason.