Apple debuted a trio of hard-hitting "Get a Mac" ads today on U.S broadcast and cable networks that target Microsoft's Windows 7. In Apple's "PC News" spot, "PC" reports that the launch of Windows 7 is causing "Upgrade Fever." People just cant wait to upgrade to their new Macs! Direct link via YouTube here. In "Tetter Tottering," a PC sufferer explains that to go from WIndows XP to Windows 7 you have to move all of your stuff anyway, so move it to the personal computer rated #1 in customer satisfaction: Apple's Mac. Direct link via YouTube here. In "Broken...