I have two options, Virgin or ADSL, that's it, price wise they are all pretty much the same when you ignore their sneaky introductory offers. Customer service doesn't really matter, it's like Electric or Gas these days, once it's working you don't have to have contact with them (usually). Once you threaten to leave they give you a discount and you just keep getting them to apply that every year or so when the contract is up. Therefore other than speed/quality/service which can change over time I don't really see much point in switching.
