When Scott Guthrie spoke at Node Summit he was presenting off a Macbook Air....

A lot of MSers use Apple hardware, I wouldn't be surprised.

It was very interesting to see the demos on Macs during this event. Specially when they showcased a website made on Node.js deployed via command line from a Mac consuming Mongodb hosted on Linux, all running on Azure.

All platforms are supported for development on Azure. The SDK is rleased for Windows, Mac, and Linux

I doubt a Dell (or a Sony Vaio, full of blue LEDs) would convey the coolness the ad requires.

yes, a pretty old one. They haven't used that keyboard in years.