i know it is based on the IS but i was wondering wut are the main differences and if i should get it or not. all i know is that it should be coming out within the next few months. thanx in advance for any answers

go to the lexus website, there's been tons of info on em.and yeah it's the fastest sedan to ever come out of Japan. think about that. base price $57k USD.... more realistically in the higher 60's with tax and options.

You may want to know that's it's a V-8. Gobs of power, 416 hp.