Read today.
http://www.dailymail.co.uk/news/article-4406994/Broadband-customers-short-changed.html
One of the comments:
it's good to see i wasn't the only person suffering for 4 years with virgin on their laughable 50mb. it never went higher than 8mb regardless of time of day. totally disgusting. Virgin don't even try to help and had to make a call every month to get money back for being ripped off!