I use a C910 at the moment, I did use my HDR, but i would get a little bit of wobble/bump on my films, and i need a freeware program that can run with my Sony HDR-SR1 with an HDMI connection. I use the C910 but i get this weird strobe lines going down my film, i don't know what it is, but it's a pet peeve, so yea, i need to find a freeware with HDMI compatibility, i like my HDR-SR1 more though