This is one of my favorite exoplanet sites
http://www.oklo.org/

Some other interesting ones that happened some time back

the Genesis planet - PSR B1620-26, it is thought to be almost 13 billion years old, discovery made thanks to Hubble

Keck Observatory has confirms the existence of Jupiter-sized planet, spotted by a network of astronomers using regular backyard telescopes, planet named TrES-1

2M1207b a direct image of an extra solar planet ?

A bit off-topic but Sporally has a vote going when Earth-II will be found
When will we find exoEarth