I've done it again, picked up Airfix's 1/48th Spit Vc/Seafire LIII for a mere £5.86 in my local Hobbycraft store. Theyre doing a half-price offer at the moment, the Spit Vc, 1/48th Hawk 1/72nd Hudson are advertised in it.
I have decided that I will go for the full challenge on this one and build the Seafire, which requires a hefty amount of surgery on the kit, but does give two very nifty Pacific paintschemes to do 8)