Ye I do currently have height adjustable beam. From what I can find the RT was never offered here either. There is one car up for sale currently that claims to be a UK Spec RHD RT with the black headlights but I get the impression somebody has modified an SXT. I think to retain all the functionality of the lights I might get myself another set of standard units and modify them. Saying that it seems like it would be cheaper just to import some US RT lights and just chuck them in. I can just keep the standard lights in case I have any problems.