i know some of you are still RennList Members, but you may not follow the 911 list even if you are, so you might have missed the recent posting of the Vertex Automotive Rennlist Member specials on HID light conversions.
i'm pretty tempted to get a set in for the 911. if you have an H4 headlight setup, this might be an option for you, too. (i know Marchal has the Amplilux H4 conversion setup - i ran one in my first /6....)
unlike some conversions, this kit comes with a halogen bulb for highbeam so for those of us who live in states which require demonstrated high/low switching during a state-mandated vehicle inspection, this could be a better option than some kits that are lowbeam-only.
the guy at Vertex who cleared up that point for me mentioned that he hadn't actually used his highbeams in his personal 911 since performing the conversion. probably some of that is marketeering but since they consume much less power in operation (35W) than uprated halogens, it could be a good thing expecially for the amp-challenged /4 alternator.
i have no connection with Vertex, not even as a customer (yet) but it could be worth checking out. they also seem to have decent prices on 5-lug spacers and turbo tie rod kits. they "don't do" 914's but they do have parts that at least some 914's can use. since i haven't been through the checkout process yet i have no idea how, or if, RennList membership is validated.
here's the URL:
Vertex Automotive Rennlist Specials Page