"The infrastructure isn't large enough to warrant virtualization"

There are other reasons to virtualize besides having a large infrastructure. Especially since VMware Server (GSX) and ESXi are free, there's no 'right' situation to implement it. Fact is, virtualization makes your environment easier to support and will save you hours of time as an admin, as well as solving problems that cannot be addressed by throwing hardware at it

sounds like you should read her dummies book

btw your video is on par with the BOFH, freaking awesome