I agree, they are snobby. As a former Mac hater and now a believer, I fully understand (and laugh) at the commercials. And MS is certainly feeling some heat over the issue -- see the Longhorn/Vista screenshots.
"Apple has issued a recall on several models of Mac laptops because the battery can overheat and catch fire. Experts say a Mac fire is just like a PC fire, except it's more hip and condescending." -Conan O'Brien