See my report on the Spoon rotor install at:
http://www.s2000online.com/forums/showthre...p?threadid=1822

and http://www.s2000online.com/forums/showthre...hp?threadid=260

Another bit of information I didn't include in that post: the stock front rotors save 280g each, and the rears 120g. Not much, but hey, it's unsprung!

 

Frozen Rotor sells theirs slotted and/or cross drilled. Best news I've heard is that King Motorsports is coming out with functional intakes and carbon fiber ducting for cool air to the front brakes.

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Also, Comptech has a Lotus Brembo kit but it only fits 18" Work Meister wheels

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In the testing we've done with brakes on the S2000, we found that the stock brakes are good for about 5 maybe 6 stops from 80 to zero before the pedal goes to the floor. The Brembo 13" front kit won't stop the car any quicker in a single stop test against the stock brakes. In fact, stopping distance is about 7 feet longer, due, we feel, to the increased rotational inertia from the larger wheels and brakes. Brake bias may be off also. But the Brembo brakes would not overheat. Even after 20+ stops from 80-0 the stopping distances remained the same. That is the true benefit of a real racing-derived brake system such as Brembo. The kit isn't cheap at $1995.00, but if you seriously work your brakes, these are the brakes you need.

As for wheel fitment with these brakes, the Work wheels are the only ones we've tried so far. I'm sure there are others that will fit.