I put my 09 on the track this weekend for "paced" laps for about 25 min. All I can say is man do these cars need a brake upgrade!!!! This pace lap session was pretty fast and it was a tight course. Brakes started fading about half way in. My 09 has an OTS stage 1 tweeked for an intake. I can say power wise it was a BLAST. There were times where the traction control was activated coming off corners! Handling was a little mushy but not horrible like some suggest.
Check into some better pads (there are seveal good choices out there), maybe rotors, some brake lines and better brake fluid. If you do the work can all be relatively cheap, and have a huge improvement over stock.
Congrats on getting out there. Which track were you at ? (VIR maybe ?) I just did a NASA weekend at PMP, and track days are always fun, no matter what you're doing.
The fade you experienced would be a combination of over heating the pads and fluid. ATE super blue and stainless steel lines are a big step in the right direction. I've had good luck with the Axxis/PBR Ultimate ceramic pads holding up (no fade) on track days (good for a street pad used with street tires) I've always used stock rotors, even when running time attack, because they're inexpensive, and basically disposable.
Remember your brakes are complimented by the tires you run and visa-versa. If you use a DOT R or full race tire you'll want to go with a more aggressive race pad to take advantage of the tires capability. Race tires and street pads don't work together well as street tires and race pads don't either.