To be honest, we expect Microsoft to announce some sort of Family Pack for Windows 7, much as they did for Windows Vista. To this point, there’s been no official announcement, but as retailers prep their sites for the October launch of WIndows 7, they have made a few mistakes. Fadfusion.com on Friday listed something called “W7 Family Pack – Home Prem Upg” on its site for $138.99. According to the site, that’s an $11 discount from the $149.99 MSRP. The software will reportedly let users upgrade as many as three