140 viewings and no responses!! Incase there are any shy lurkers wondering the same thing I have raised a question with Pioneer about whethere they are going to update the software on the x30 series to allow +R dual layer discs to be used. Theory is it is only a code change as the next x40 DVRs are able to use both. And for those wondering what all the fuss is about +R Dual (Double) Layer discs are in plentiful supply and around £1.20-£1.50, -R Dual Layers are rarely stocked, usually out of supply (that I've found) and around £3.00-£3.50.
Oh, don't hold your breath waiting for a reply though as my last question wnet unanswered despite me asking for updates to it 8 times!