A mate in JDM products sent me this trade price list (should be attached) for a selection of Exposure lights that they are clearing.
Exposure are supposed to be the business. I can't confirm or deny this as I use the cheap Ebay ones.
In any case it looks like there are some decent reductions from normal RRSP. If you are interested, contact JDM and ask for Mark Murtagh, and tell him you were referred by me (Colin Brown)