The Blender Foundation has just released a brand new Blender 2.61!
From the announcement:
The Blender Foundation and online developer community is proud to present Blender 2.61. The 2.6x series is being targeted at including all work that happened in branches or patches past years.
Most notable in this release is the new render engine Cycles, the Camera Tracker, Ocean Simulation texture and Dynamic Paint. Check the releaselog for detailed information.