This needs work, but looks very promising

Edit: We should clarify, this is experimental, and not guaranteed to be mainlined into CM. If it is done, it needs to be done right and not break apps all over the market or be a nightmare to upkeep down the line.

cyanogenmod and cornerstone - android tablet multitasking

+Abhisek Devkota told me about cornerstone ( http://www.onskreen.com/cornerstone/ )
well, its pretty impressive, and easy to apply to our sources.

we will probably include this into cm9. it needs some polish, but the concept is just great.

+Markus Guidry +Steve Kondik +Prashant Somashekar