Geof3 i have done an extensive search for this very item and the best place i came up with is this place.
B & C Express
They have them in stock and ready to ship. The item numbers you want are.
43T
389-530-43HA
44T
389-530-44HA
45T
389-530-45HA
The Links above are for a 05/06 Sprint as they do not have the S3 listed but they are the same item.
