I’ve been looking for something like this for a while now (more about what it does in a bit); if you’re like me you probably have more than one machine (in my case, a laptop as my workstation, and a workstation as my test server/web server/db server/staging server/whatever (if that makes any sense)), plus a handful of other machines for testing new OS’s, beta software, etc. The speakers on the laptop are absolutely dreadful of course; my workstation has the powerhouse soundcard/big badass speakers...