Luke,
I am experiencing similar problems coming from Shake 4. I am processing 1080 23.98psf clips from FCP (captured by a BM DL HD, so Apple UC 10-bit 4.2.2) When I bring the renders back into FCP, the gamma shifts. Which codec should I render to, BM 10-bit (DV10) or BM 10-bit (RGB)?
thanks,
david