The Boss: I couldn't located the cars to your specific area, since you didn't state which city your live in. But, here are few Lexuses in Arizona and Arizona area. The site changes everyday, so you might want to revise the search if it doesn't come:
www.cars.com search: lexus
Here is the homepage of the advance search of www.cars.com:
http://www.cars.com/search/used/cc/standar...ml?aff=national
You can also try: http://www.autotrader.com/
Also, look in your local newspaper. And, Tells you about your search and what is available out in your area in your price range.