In addition to what Chris said, CM 5.x will install natively in VMWare as well. It will tell you that it is not a supported platform, but install just the same.
The other issue that you are going to run into is that you need to install a license for CM and DLU's for devices. Talk with your local Cisco office about getting their VMWare image or possibly helping you out with licensing as Cisco licensing *typically* doesn't allow you to register VMWare MAC addresses.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.