Can we not just answer a basic question with a basic answer, it's getting quite depressing reading the same people saying the same thing about the Superhub to every question even if it is not related to it.
A quick check here :
http://community.bt.com/t5/BB-Speed-.../bd-p/BBinHome
shows that issues are not unique to Virgin and yes Virgin have made mistakes but to keep spouting on about it and making statements that you have no way of backing is wearing a bit thin.