Ring Virgin on 0845 6000 070 (option 4) and ask them about their current deals on reconditioned phones.
SE K800i- £119.99
SE W850i- £124.99
Samsung D900- £99.99
Others include- Nokia 5200- £54.99
SE J100i- £19.99
May be others available if you call and ask.
All include £5 credit and 6 months warranty.
THese are not available to order online. You have to call them for these deals.
It is has been said credit has been increased to £15 on some of the phone's so worth asking if you give them a call :)