LightForce driving light prices

Hi folks,

Have read through the archive posts on driving lights and I see most people predictably love the LightForce range. However they are very stubborn on price and seem a little expensive for polycarbonates.

I read that many found best pricing with Mulitspares and I called the local outlet and they quoted ABOVE RETAIL!! $390 (I'm looking at 170's)
My question is where is the best price for these things? I remember reading that some of you have bought them much cheaper