Definatly have an aston martin vanquish as part of my collection. The fq400 would just be a toy to p*** the lambo and ferrari boys off. Then if they turned round and said my ferrari cost this much and its a classic etc etc, you could turn round and say yeah i know I have a couple of ferrari's a lambo and an aston!! lol
It's a zero cylinder. Rotaries are a whole different ball game (it does have 2 rotors at 665cc each for a whopping 1.3l of fury)
Oh and exactly what is stopping people putting a turbo per 2 cylinders? Just make sure they are properly paired (1,2 and 3,4 assuming firing order is 1,3,2,4) and it's no different to turboing each bank of a V8. You just need to make sure they are both smaller turbos because they'll only be getting 1/2 the exhaust gas.
If I won the lottery? I'd go for a super turbo setup with a smallish supercharger that gets used to help spool up a big turbo earlier. You could get a GT3036 up to 2bar by 3000 if you specced it right, I reckon
I'd also go buy a GT500 Mustang for the hell of it. Or maybe a 70s Corvette Stingray. Or maybe a Cerbera Speed 12. Something with more cylinders than sense and that can eat rear tyres without trying, anyway
Edit: I'd also buy 2 td05-16g6s to put on my brothers Jag just for comedy value. I reckon we could get him to 600bhp and 650ftlb running them at 1 bar