Scott_R has these on his Lex they are not RHD but he had them converted but it did take a fair amount of work iirc, there are a few is200/300's on cardomain with those gatling gun style headlights they look stunning imo.
Here's one - CLICK ME I love this Lex it's stunning :) shows those projector headlights off really well too (Custom IS300 JDM Headlamps with Oracle Halos and Q45 Retrofit Projectors )
Mate, i found them on ebay for 1bout 250 including shipping which is quite good. Now, I will need to convince my wife that "we need them".
Linky :D