Thanks for the advice on this; I've spent the past few months on the storyboard and am still tweaking it here and there.
I've also driven to the locations I have in mind and scouted them for good angles and clean shots to make sure what I have in my head is possible.
I understand that the story has to be good enough or its pointless doing the thing in the first place (I wish Hollywood would also heed this advice

) so that is my priority; it's just with having perfectly clean video from the CG work I need to have matching video quality - especially since I kinda need to deliver this in HD.
We're working on the CGI elements at the moment and once they're right I'll start setting up the live video, then we'll rework the CGI and video t make sure I get exactly the look and feel that I want.
I've had a good tinker with the camera today and looking through the manual and a few online reviews I think it'll be best to shoot in the 1440CBR setting as this will give me the best quality from the camera (apparently) and produce 1080i footage, I'll take it out later if it stops bloody raining and get some test footage to play with tomorrow in Final Cut and see how I get on.
I'll post my progress on this production when possible to get feedback along the way as well and I have a load more questions to ask with this being my first "real" production