Good news, Windows fans/users. If you’re in need of a PC now, but don’t want to miss out on the Windows 7 train which officially leaves the station on October 22nd, Microsoft is stepping in to help. Today, the software giant announced that starting tomorrow (June 26th), consumers and small businesses that purchase a Vista-enabled PC from a participating computer maker or retailer will qualify for a free or low-cost upgrade to Windows 7.Unfortunately, it’s hard to say exactly who those “qualified retailers/vendors”