Parallels has updated the Parallels Desktop 7 for Mac.
This enhancement allows simple downloading as well as automatic installation of Windows 8 Release Preview from the Parallels New Virtual Machine Wizard. Users can check out the new Metro Tile Start Screen and Internet Explorer 10 while protecting their Mac from any bugs which can occur with non-final versions of software.
You can get a free trial of Parallels Desktop 7 for Mac here. Current Parallels Desktop 7 users can get the update by selecting the Parallels Desktop menu and clicking "Check for Updates".