The next upgrades are vectoring to try and improve issues caused by crosstalk, but this won't push speeds past what they are advertised as now. G.fast is the next major upgrade, assuming you don't get FTTPoD available in the meantime.
Openreach FTTC vs. Virgin Media isn't a very easy comparison to make - the former has a massive choice of providers to suit varying budgets and requirements, the latter has higher maximum download speeds but poorer upload and ongoing congestion problems in certain areas of the country.
Openreach FTTC vs. Virgin Media isn't a very easy comparison to make - the former has a massive choice of providers to suit varying budgets and requirements, the latter has higher maximum download speeds but poorer upload and ongoing congestion problems in certain areas of the country.