EBC and if you buy them from one of our sponsors you get a forum discount too.
Here is the link
http://www.ebcbrakesdirect.com/
EBC Brakes
A guaranteed 15% off on brakes (discs and pads including HH Sintered) and clutch plates.
Website only - enter discount code: 98XT2578 in the discount/voucher code box.
Part codes for the XTX are:
Front Pads: 1 x FA244 / FA244HH (Sintered)
Front Disc: 1 x MD6226D
Rear Pads: 1 x FA213 / FA213HH (Sintered)
Rear Disc: 1 x MD6234D
http://www.ebcbrakesdirect.com/