You can spend a small fortune doing a Daytona (I'm going to be attempting one on a TVR wedge)
Original 2nd hand front indicators can set you back £1k on their own, Similar for a set of original rear lights. Interior cost is horrendous if you go down the replica route.
Apparently though with this ebay SRV12 you only need a rotten Jag a few spare weekends, bish bash bosh and it's done