You can also try searching for light buckets from other manufacturers... I have Tamiya light buckets in my HPI 911, and Yokomo buckets in my Street Jam S14.
R2hobbies (and others) also sell generic light bucket sheets - it has a few square, circle and rectangles of various sizes.
Raincity Raji Kon - hit me up to drift in the 206/425 -- High CS OTA-R31, RWD "doripake", 50:50 OTA-R31, Slash 4x4, Slash 2wd, Subaru Brat Scaler
WTT: my HPI MRS4, carbon fiber chassis, extra wheels/tires, front one way, skyline body for 1/10 on-road/offroad touring/drift car.