I thought I would pass this list along. I was looking into maybe getting a Sigma lens so I emailed Sigma customer service to see what lenses were fully compatible (would autofocus) and they sent this list back.
4.5mm F2.8 EX DC HSM CFE
10mm F2.8 EX DC HSM FE
30mm F1.4 EX DC HSM
8-16mm F4.5-5.6 DC HSM
10-20mm F4-5.6 EX DC HSM
10-20mm F3.5 EX DC HSM
17-50mm F2.8 EX DC OS HSM
17-70mm F2.8-4.5 DC Macro HSM
17-70mm F2.8-4 DC OS HSM
18-50mm F2.8 EX DC Macro HSM
18-50mm F2.8-4.5 DC OS HSM
18-125mm F3.8-6.3 DC OS HSM
18-200mm F3.5-6.3 DC OS HSM
18-250mm F3.5-6.3 DC OS HSM
50-150mm F2.8 EX DC HSM II
50-200mm F4-5.6 DC OS HSM
12-24mm F4.5-5.6 EX DG ASP-HSM
24-70mm F2.8 IF EX DG HSM
50-500mm F4-6.3 DG APO OS HSM
70-200mm F2.8 EX DG Macro HSM II
70-200mm F2.8 EX DG OS HSM
70-300mm F4-5.6 DG Macro (motorized/model 5A9306)
70-300mm F4-5.6 APO DG Macro (motorized/model 5A8306)
70-300mm F4-5.6 DG OS
120-300mm F2.8 EX DG HSM
120-400mm F4.5-5.6 DG APO OS HSM
150-500mm F5-6.3 DG OS HSM
300-800mm F5.6 EX DG HSM
50mm F1.4 EX DG HSM
150mm F2.8 EX DG Macro HSM
300mm F2.8 EX DG HSM
500mm F4.5 EX DG HSM
800mm F5.6 EX DG HSM
