For those of you doing some mobile cross platform dev, MonoGame 3.0 was just moments ago released. Some features:
What’s New?
3D (many thanks to Infinite Flight Studios for the code and Sickhead Games in taking the time to merge the code in)
New platforms: Windows 8, Windows Phone 8, OUYA, PlayStation Mobile (including Vita).
Custom Effects.
PVRTC support for iOS.
iOS supports compressed Songs.
Skinned Meshs
VS2012 templates.
New Windows Installer
New MonoDevelop Package/AddIn
A LOT of bug fixes
Closer XNA 4 compatibilityCheck it out: MonoGame.net