Let’s be honest: even if you use a PC you have to admit the Apple “Get a Mac” ads are hip, funny, and clever. Despite our PVR, we will stop in the middle of a commercial skip and watch a new “Get a Mac” ad. The latest “Get a Mac” ad, “Off the Air,” ratchets up the rhetoric somewhat by saying that “fear of switching is the foundation of customer loyalty for PCs.” Microsoft’s apparently grown weary of these ads and, according to the Wall Street Journal (paid subscription required), Microsoft is ready to unveil