"The 2007 GS 350 builds upon its predecessor model’s already significant levels of performance, advanced luxury and intuitive technology, and it becomes the most powerful six-cylinder model in its segment.The handling performance of the 2007 GS 430’s potent 4.3-liter V8 is further optimized by a newly available active stabilizer system that automatically and seamlessly counteracts body sway to improve cornering performance..."

This is from a new review on the 2007 Lexus GS430, from TopSpeed. You can read about it's performance, design, safety and pricing, as well as other features. Also available is a picture gallery.

http://pictures.topspeed.com/IMG/crop-580x381/2007_GS_430_03_4w.jpg
http://pictures.topspeed.com/IMG/crop-580x388/2007_GS_430_06_4w.jpg
http://pictures.topspeed.com/IMG/crop-580x383/2007_GS_350_430_08_4w.jpg

You can read the whole review here: http://www.topspeed.com/cars/lexus/lexus-gs430-ar34310.html