Saw this years ago on some airshow pictures forum, seems he's still going with it which is good.
Not a 'real' Spitfire per se, but this Allison powered 1:1 scale Mk.IX(ish) home build is a worthy effort.
Far better than any of those ghastly 'Spitfire' Mk.26s that plague the land, I have to admire the guy.