CTD do an uprated brake system with Cross Drills (new on their web site), but it will only work with 17" rims. Seems an expensive option to upgrade already excellent brakes, but I'm sure one of us will do it. Details below:

CTD Front Big Brake Kit 322
CTD big brake kit for your Crossfire made by Mov`it. 2 piece 322 x 32mm drilled rotors, 4 piston painted calipers with CTD logo, brake pads 75,5cm, stainless steel front brake lines. Comes with all needed hardware and install instructions. Please Note 17inch wheels and some times wheel spacers required.

Group: Performance
Product No.: CTD-C-P11236
Info: New Item

EUR 2.799,00

Seems expensive to me. Maybe someone who knows about these things could provide an assessment of the potential gain????