Check out the new features in version 4 of the FurryBall GPU renderer for Maya.
Free Animation Rig from Animation Mentor
Animation Mentor are giving away a free Maya character animation rig called Stewart.
Golaem Crowd for Maya
Golaem Crowd is a Maya plugin for creating visually compelling and believable crowds.
Maya 2012 Feature List
See the host of new features Autodesk has released in regards to Maya 2012. Shaping up to be an apocalyptic iteration.