Thanks for the replies, just something I have been wondering about for a while.
I think I like the look of the high backed aircraft more though but as they are older I guess they are rarer.
On the contrary, low-back Spits seem to be rarer these days – not to mention at least two to my knowledge have been rebuilt to fly with a high-back fuselage: Spitfire XVIs TE184 and TE392.