i just got an email from codetek saying that beta 3 is available and the memory leak is fixed.

*snip*
- Memory leak is fixed
- Hot keys for quitting Virtual Desktop and launching the
preferences window
- Aspect ratio and grid now working correctly on on complex monitor
setups
- 'Change desktop' pop-up window is now configurable
- Non-square desktop arrangements now supported
- Skin creation tool and documentation
*snip*