If you want to run Windows apps on your Mac, there are now a few ways to go about it. First there's Boot Camp, the official solution that will let you boot into an installed Windows partition. Then there are virtualization solutions like Parallels or VMWare, which "pretend" to be a separate hard drive with an installed Windows partition. Finally, there's emulation, and that's what CodeWeavers' CrossOver does. Rather than an actual Windows installation, CrossOver pretends to be Windows and allows Windows apps to run on a Mac, even without an actual Windows CD.
Impersonator is the company's code name for version 10 of the app, which was just recently released. CodeWe