Hi Guys,
I've found this online retailer which is cheap for us aussies and they have replacement D2S globes for only AUS $75.00 a pair. I asked for a quote at the dealer and they were going to charge me $500 plus labour!
http://www.delonixradar.com.au/hid-xenon/
I installed them on the weekend and they work great, I ordered the 6000K and compared to stock they are a whiter more brilliant shade of light with a very slight blue tinge.
The company even called me after I received them and a week later after I installed them to see if I was happy with the product.
cheers,
Miguel