Bastard Pipex have implemtented a 24/7 throttle on P2P traffic, including BT and Emule. BT isn't so much a problem because of encryption in Az and utorrent, but emule has had it for me. I did try Neomule and Sion mods - but they're not going to work unless everyone uses them (why can't the emule developers implement it). At the moment I'm stuck at 20 Kb/s download with emule and 3 months left on this shitty Pipex.
Looks like I'll end up on NTL after all

- I can live with a bit of traffic shaping but not 24/7 throttling.