Virgin Media don't have any downstream management on any broadband speeds over 30Mbps. However there is still upstream management. Details of this can be found at
www.virginmedia.com/traffic
For the VIVID 200 Gamer and HomeWorks + 300Mbps there is no upstream management on either of these tiers.
Virgin Media also have network level mananagement on P2P and Newsgroup traffic across all tiers.