How would STREAMING (aka OUTPUT) help you here?
Would you rather have me biased towards Windows?
Ok then:
Take your Mac outside and run it over then buy a Windows laptop and beat it up with that then buy a desktop.
Make sure this all happens AFTER the webcast though so that it most definitely is entirely pointless.
https://fannetwork.dci.org/register/index.cfm?corps_id=0
Register there. Make sure that the "Madison, WI - Pay-Per-View Live WebCast ($9.95)" bubble is selected before continuing, or you will purchase a complete Fan Network subscription.