Wow, I didn't realize how international this board is. Very nice.
Lexus is offering a GS 300 Sportdesign is the US now.
For me this signals the impending doom of the current GS line. I also found this image of the possible replacement.
http://thehollywoodextra.com/lexus/lexus.html
If this is indeed the replacement then Lexus might be farther along with the car than many suspected.