I bought an 0801 camera a few weeks ago and its seriously good.
I finally got around to hard wiring it this morning.
Very easy job - one small pitfall is that all the small fuses in the small dash fusebox (inside the door opening) are permanent live, even though they are for stuff like the CD player which only work with IGN ON.
So, skip by there and head straight to the larger central fuse box and use FUSE 11 as mentioned by a poster above.
Piggybacking off fuse 11:
This is a good earth point in the door recess: