I believe you can still upgrade to a VHD box for a £20 self-install delivery charge. Be aware, as you are on TV L, this will only get you 10 HD channels (All BBC, ITV1, CH4, Film4 & CH5). All the rest are only included in the XL TV pack.
Cable customer since 1993. Services: FH TV, Sky Sports & Movies (2xV+), Talk Unlim Telco, VIVID 100, Virgin PAYG Mobile