Standard Missile’s kill vehicle has rock-solid hover and twitch-like attitude changes. And it uses solid propellants. I don’t know how they are throttled. This is the same missile that was recently used to shoot down a satellite. (Link from John Dom at arocket…)
[youtube=http://www.youtube.com/watch?v=63gqPvWbkMg&feature=related]
I’m still in vacation mood, so more serious posts are awaiting for a while…