Will yes there is so many places to buy gs and parts
Car classifieds of another forum here
Ebay here
gonzo4u@earthlink.net him at L-tuned parts site (all OEM/NON OEM even if not listed)for all oem, and most aftermarket parts (great rep)
here at tm engineering for performance stuff
here for more performace stuff
Also I have been developing a page about lexus gs series. All club links, pics, companies, ideas, etc - but it has a long way to go....
www.cardomain.com/id/fnatic