Well a bit of a result, after phoning up and initially getting told I had to drop the XL pack to avoid the £3 increase I threatened to cancel. Passed through to the disconnections team and now have a range of discounts that will reduce my bill after the increase takes effect by over £12 a month
But beware, Virgin Media do know what channels you are watching. If you phone and say you don't watch sports, they will see if you are telling porkies.