On: Pluto image revealed by Nasa offers closest look yet at dwarf planet

[prewett]

I keep hoping for a Cassini-like mission to Uranus and/or Neptune, but so far, no luck.

[jessriedel → prewett]

Neptune is about 3 times further away than Saturn, and I believe Jupiter won't be in position for a good gravitational boost to get there for many decades. It's possible, but very very expensive.