Xirix,

to the forum.
The best way to find out what services your local BT exchange offers is at
http://www.samknows.com
As for finding the best ISP, I recommend you look at
http://www.adslguide.com
---------- Post added at 00:46 ---------- Previous post was at 00:45 ----------
Mote: Whichever ISP you use, your modem is always physically connected to your local BT exchange.