If you want something interesting, ask about the A4 block prices. A couple versions are on closeout and instead of $5k+, they are on blowout for about $850.
I grabbed one just to mess with. Might end up with a Turbo 4 in something after all.
Isnt that the alum 4 banger block that you can mount the W-9 head on... I was thinking of doing one of them with a W-9 head and a turbo... if they're that cheap I might have to