330mm 8 piston brakes on an N15... by checking the other photos, the car might have about, 190-230 horses? if it's also a turbo, then more of course.
Except if it's instead an SR20VE, where it would have 230+ horses with those parts.
Though, the 3 most basic and 'first to do things' on a project car are brakes, suspension and the chassis, then there's the bearings and bushes, after those would be the engine because everything else is ready for it, though the engine is far cheaper than the stuff done before it (if done in this order)
There's also air conditioning, cooling system, distributor, water pump, gas pump, injectors, MAF, intake, exhaust, clutch and tons of other stuff + all the 'exterior look mods' you want to do.
*Edit : 7 years have passed from the first comments... yeah...*