Finally got my front seat belts sorted. So I thought I'd post the information up incase it helps somebody else who wants to upgrade thier seat belts.
We decided to go with the buckle that is bolted to the floor via a webbing belt instead of the stalk, because we intend to put the swivel bases in under the front seats at some point and decided that the stalks would get in the way when swiveling the seats around. I'll get some little brakets made up to hold the seat belt buckles in place on the sides of the seats when the seats are in thier normal position. We also went for the fixed length of webbing on the buckled instead of the adjustable length.
The buckle we went for has a fixed length of 500mm. The standard length of seat belt is 3.2m. I measured the minimum legnth that we needed to be 3.4m, so the long belt needs to be ordered.
This seat belt mounts to the Beddy using the vans original mounting points making engineering a snap! (If you even get picked up on it, cause it'll look pretty standard when done) The only thing you will need to get made up is a right angle bracket to mount the inertia real and lower anchor point to the mounting point in the floor. I can post a pick of mine if anyone is interested.
3 colours are available. Black, Capachino and Grey. We went for grey to match the interior.
Part Number is - K1980L
For Grey it's - K1980LGY
For Capachino it's - K1980LC
Don't forget the 'L' at the end or the seat belt will be too short

This seat belt is by Klippan who make all the seat belts for FORD and Holden and most if not all other cars made in this country so there are totally Ozi and NZ approved!
If you decide to go for the belt with the stalk so it stands up by itself instead of the webbing. Then I'd suggest going for the longest stalk which is 450mm. Don't remember the part number for this sorry.
I can also post up Klippan's details here also if people are interested.

Unfortunately I won't have my new belts till sometime late Jan '09 cause I've left it all too late
