you forgot the Jupiter program
You forgot to mention that some scientists and engineers from NASA propose an alternative to the Ares program, by re-using most Shuttle components, but removing the Shuttle itself and putting the payload on top of the main reservoir. See:
http://www.brighthub.com/science/space/articles/3778.aspx?image=387
Much like the Ariane V actually, but bigger. With proven and reliable technology. Obviously, not what space-megacorps would want, too obvious, not enough money in it.