And for those who can only wait about two years from now
Hayabusa will return to Earth. It may or may not have samples of Itokawa.
http://en.wikipedia.org/wiki/Hayabusa
EPOXI (formerly Deep Impact) will flyby Comet Hartley 2 in October of 2010
Had the astronomers been able to find Comet Boethin, we would have had a
flyby of that ice ball on December 5.
http://en.wikipedia.org/wiki/EPOXI
