Thanks Rinze, that site was perfect.  Once i get the light gate (i ordered it on friday) i can see what size of clamp i need and then can get the equipment in to start shooting some motion captures :)

Mark the first two i looked at were purely educational resellers as far as i could gather so i doubt a crazy photographer would be on their customer list :) The other one i checked out and it might be ok for you knowing the technical names but it didnt have many pictures of what i was buying so i had no idea (a lesson there for sites who want to sell something - i had this problem when looking for poster hanging systems for my stall - they were all diagrams and no shots of what they looked like in real life).

a=And thanks for the input Martin, but they all are US companies, shipping heavy stuff from the states is bad idea... (will bookmark that photography equipment page for future reference tho )

"In every colour, there's the light.
In every stone sleeps a crystal.
Remember the Shaman, when he used to say:
Man is the dream of the Dolphin"

Rich Meadows Photography