March 24th 2009 is the magic day for many Autodesk Products to start shipping and a few others a little bit beyond that day. AutoCAD 2010 is the 24th release of AutoCAD.
Press Release: Autodesk 2010 Design and Engineering Software Product Line Now Available
If you are an Autodesk Subscription customer and have download permissions from your Autodesk Subscription listed contract admin then you can go get many products by download instead of waiting for the delivery person to knock on your door.
AutoCAD History Page updated
AutoCAD 2010 (24) March 2009
Autodesk and AutoCAD History Image Gallery
AutoCAD 2010 Information http://www.autodesk.com/autocad