What to do with a dammaged Miata body, but good running gear & frame/floor?

SSM, It's a little work but the price is right:

Tires:
Rear 275-40-17 Front 245-45-17 you can get them scrap from Grand Am friends

Aero Dynamics & Body:
OPEN, I'll tell you more later, Thin Alum ( .016 to .025 ), Epoxy, Foam, F-Glass, ect. Wings front & rear, Even air going through the body ( A SCCA NO NO ?? ) no thick or heavy matierals

Chassie:
Stock Dash instrument cluster area, 2 seats, open cockpit no doors or enclosed w/ doors, curved Lexan wind shield, Cut some or most of the body off, Blend a roll cage to meet very safe requirements, make it look cool and Aero adjustable ( all fun )

Suspension:
Current Spec Miata Suspension, or other, not too much $$

Brakes:
Are there any good cheep 4 piston calapers & hat rotors?

Engine:
1.8 with Just a Spec Cam & any headers ( Must be available for sale under $500 )

I think it could be built for $4500. ( if 4 cyl "Stock Car" Steel rims are Available in 17" )

So it would look like a small Panos GTP and fun to drive, what do you think?