As Mac excitement grows pre-WWDC, Parallels has released the full 3.0 version of their excellent virtualization software. We'll have a full review up soon, but for now here are some highlights:

• SmartSelect - Allows for virtual OS apps to be set as the default type for a specific filetype. For instance, have Word for Windows open when you double-click a .doc file.
  
• Snapshots - Like the name says, it makes snapshots of your virtual environment, so that you can back out of changes (or busted Windows patches). This will also protect you from having to reinstall XP from scratch when you get infected.
  
• VM Sentry - Layer of protection between the real and virtual OS, keeping Windows issues from affecting your OS X environment
  
• Accelerated 3D - We'll have to see how well this will handle newer 3D Windows games. This is one of the last issues that is keeping many users from moving to the Mac. 3D is also one of the few real reasons for using BootCamp to boot your Mac into XP directly.
  
• Parallels Explorer - Browse your Windows drive without firing up the full version of Parallels
  
• Other enhancements, such as Vista Boot Camp support, Transporter improvements, etc.