VMblog.com - Virtualization Information : VMware's Desktop Virtualization for Mac - Codenamed Fusion:
"Sending the Ctrl-Alt-Delete keystroke combination to a virtual machine
To send the Ctrl-Alt-Delete keystroke combination to a virtual machine, do one of the following:
* From the Virtual Machine menu, select Send Ctrl-Alt-Delete.
* If you are using an external PC keyboard, press Ctrl-Alt-Delete.
* On a full-sized Mac keyboard, press Control-Option-Foward Delete. The Forward Delete key is below the Help key.
* On a Mac laptop keyboard, press Fn-Ctrl-Option-Delete.
Note: When you press Fn-Ctrl-Option-Delete, the Ctrl key occasionally remains activated and working after you release it. To continue working in the virtual machine, press and release the Ctrl key again."
