RE: 2 seat spitfire
For one of the best known 2 seater Spits look here [link=http://www.ml407.co.uk/]CLICKY[/link]
It is Flown by the ONLY female Spitfire pilot that I know of and has been on the UK show circuit for years. She will also do a display over a funeral - several passes finishing with an upward climbing roll.
I attended one such funeral - a very very special sendoff.