That's because you and Bott both have ADS. Why would Apple want MS to cut prices? Higher prices for Windows upgrades would be better for OSX sales as people compare.
Windows XP upgrade to Windows 7 = $50.00
Apple OSX 10.4 Tiger upgrade to OSX 10.6 Snow Leopard = $169.00
Windows Vista upgrade to Windows 7 = $0.00
Apple OSX 10.5 Leopard upgrade to OSX 10.6 Snow Leopard = $9.95