Europe Heads for the Moon in July
Orlando writes "The BBC are reporting that Arianespace are all set for sending Smart1 to the Moon in July. The mission's primary objectives are testing planetary exploration technologies. This is particularly good news after the recent Arianne rocket explosion." China's also planning a moon mission. The U.S. is planning to sit around and watch.
Deep Space 1 used an ion thruster.
Ion Thruster Used to Propel the Deep Space 1 Spacecraft to Comet Encounters