If you already have used VMWare Player, you must have noticed that it is perfect to play existing virtual machine. But if you want to create a new virtual machine from scratch, you have to dig in the vmx file, create a blank virtual hard disk (using QEMU for example) and do various things. But, an easy way to do exists. As VMWare now offers VMWare server for free, the basic idea is to use it and its console to create new virtual machines. The console has a very handy creation wizard that helps a lot. So if you want to create various virtual machine, then VMWare server is a simple and free solution.