The rake on that windscreen screams
Sports to me Simon especially since the T-top panels seem to fit with too much overhang as if they were originally meant for a higher profile roof like the PL30 or F4. It looks like a Colleen Long T-top design but shortened for the Sports roof. Just my 2 bobs worth.
Certainly does look like a great starting point for someone though and cheap enough too at this point in time.
If I can scrounge a bit of time next weekend I'll see if I can get over there for a squiz at it.
PP.
aka The WebGoat