My experience with DSL is that it is not reliable, and you are bit-rate limited by your distance to the central office or DSLAM. The bit rates are quite low in

My experience with DSL is that it is not reliable, and you are bit-rate limited by your distance to the central office or DSLAM. The bit rates are quite low in comparison to coax-based modems. ISDN is limited to just over 100Kbits/sec, which is a non-competitive joke. Comcast is a monopoly.