Don't read this Bifta
I have been with Pipex for a year now and had no probs. Superb.
They have just extended their range to include 150k, 256k, 512k, 1mb and I think 1.5mb+. The 150 starts at £15.99 a month. No set up, and free modem.
Check out their site.........
http://www.solo.pipex.net/