Toople are TTB resellers very happy with them great prices,speeds c/s.
I did look at them. But I wanted a new line and TTB put it in for free so I thought it was worth it - also I plan to move offices once in the contract and they give you 2 free moves during a 12 month period, so for me that's a bit more saved.
It's about £150 a time when you consider the cost of the line and activation fee. So x2 is a lot - i'd rather spend that on a more internet