It's always a good idea to ask around to see what the realistic scope of your work is. But if you're not doing it yourself, you should really discuss your goals with a few reputable tuners, and have them design a package that you're both happy with.
2006 BF FPV F6 Yellow
2012 FG F6 White
2012 FG GT-P Blue
If I had the coin I'd have those 3 in storage along side my imaginary H@SV collection. Not as an investment, but to get them all back on the road in 2049 when I retire.