I've now done a few video projects and I am looking to finish off some that have been on the books for some time. I shot Dance Aberdeen 2011 and 2012 and I'm slowly learning things about lighting, running two cameras and camera lenses. The final product wasn't too bad considering the issues I ran up into. I've made some decisions on new hardware that I want to invest into and will have to slowly work to that goal. Also I've learned shooting something to look good is different than shooting something so everyone gets to see themselves on the screen.
For Data backup I got a Drobo FS. Supports up to 5 HD and uses its own custom RAID Array. Definite Prosumer level gear. I also borrowed my wife's Nikon D3100 picture camera for a second camera angle, and I found that I used the footage from it as primary when I had footage and my Panasonic for wide angle shots where color, focus, and lense details matter less.
I now have the BD-R drive and a few BDR disks. I'll be using it more for data backup than for movie projects, however I think I'll burn the RAW wedding Data off my HD with a disk. One less video project to store.