Long story short: it’s possible. Not officially supported, but possible. Here’s the blog post that lists the caveats to watch for and here’s a hi-def screencast that shows the setup process from start to finish:

This is significant because right now the main options for deploying JumpBoxes on Intel Macs are two commercial products: Parallels and Fusion. Sun’s VirtualBox product is a cross-platform, open source alternative that now gives Intel Mac users a free deployment option. Please post any questions or comments regarding this topic on the JumpBox Blog post here. And if you like the screencast give us a quick digg to promote this capability.