Lately, I have been running VMware Workstation 5 from the command line. After you have Workstation 5 installed, you can open a command prompt and browse to the VMware Workstation folder and type vmrun to get a list of commands.
Remember to add the VMware Workstation directory to the system path. Simply browse to Control Panel | System | Advanced | Environment Variables | System variables | Path to VM. The default working path is c:\program files\vmware\vmware workstation.
Lets begin by starting a virtual machine from the command line. If I run a vmrun list, I should get back 0 virtual machines because I have none running.
To start a virtual machine, type vmrun start c:\vm\webuta\winnetenterprise.vmx.
Now type vmrun list and you should get back the number of vms currently running.
Once you are done with your vm or have a need to suspend, type
vmrun stop c:\vm\webuta\winnetenterprise.vmx
You can even play around with these settings and create batch files that start your virtual machines with a single click. I have several batch files on my desktop that I use to kick off vms and suspend vms. It comes in very handy.
Note: I have created a gallery if you would like to see all the screenshots in one place.