VM's problem stem from the fact the cable networks were built by around 25 different companies, to different technical standards. So these effects are regional. Its why it is important to put your approx location on any post/complaint about VM.
I'm on the Surrey/Hants area (I think on the Guildford head end) and whilst I'm not a gamer, the BQM isn't as clean as an Openreach user, I don't get issues. (Live BQM link in sig).
21 years of broadband connectivity since 1999 trial - Live BQM