I also installed the OSRAM Nightbreaker Unlimited bulbs after being disappointed with the stock headlights.
I upgraded to a 2001 LX470 from a 2008 Audi A6 w/ stock HIDs about six months prior and really missed the HIDs.
After reading all about the PITA factors and mixed reviews from people...
Your system looks fantastic!
I'm in the market as well; however, like many others I'm interested in an option for a weekend-warrior sleeping platform, not a full-tilt expedition setup.
Perhaps the standard two-drawer system would work for me if the height matches up with the back seats when...