Now this is an interesting result. It appears that even when running in a virtual machine, Linux can be a faster development system than the Windows the VM is running on! Linux VirtualBox vs Windows for Rails Dev – James Crisp.
My current work is centred around Java, and all our applications are deployed in java containers. It might one day be useful to deploy JRuby applications, and in particular rails apps, to these same containers. Here’s a list of things to beware of in such situations. Antagonistic Pleiotropy