I just saw your wtd post, I have the following 10 speed components all came off my Cannondale road bike, in excellent condition less than 1000 miles ridden, I upgraded to Ultegra 6700 with an XT 11-32 cassette so I could get up hills
Ultegra 6600 STi Shifters/Brake Levers
Ultegra 6600 Front Derailleur 34.9mm clamp on type
Ultegra 6600 Rear Derailleur short cage
Ultegra 6600 Front and Rear Brake Callipers