Here's the rest of the story
-Primary OS support - Leopard compatibility improvement.
-Virtual devices - USB devices compatibility improvement (including Blackberry).
-Bug fixes and improvements in Parallels Desktop 3.0 for Mac Beta (Build 5570).
Primary OS support:
-Parallels Desktop installer hangs on Leopard - fixed.
-Can't install Parallels Desktop on Leopard when Internet Sharing is enabled - fixed.
Stability and resources usage:
-Parallels Desktop hangs with spinning ball when trying to start VM after changing virtual memory amount - fixed.
-Several kernel panics during VM startup - fixed.
-Guest Vista goes to BSOD being idle - fixed.
-DOS16M (16 bit DOS extender application) crashes Parallels Desktop - fixed.
-Guest Vista fails to sleep and goes to BSOD - fixed.
-Fatal error when executing some command line utilities in Windows - fixed.
Loads of new features...