OK, I was wrong before. Microsoft will only be offering six, not eight, versions of its Windows Vista Operating System. If I could find software on the MAC that can conver MS Publisher files, I might make the big switch. Though as with such religious conversions, I need to count all the costs before putting my fingers upon the Mac keyboard. Here is the Reuters' release:

Microsoft Corp. (Nasdaq:MSFT - news) plans six core offerings of its upcoming Windows Vista operating system, targeting how people use computers instead of PC hardware specifications, the company said on Monday.

Microsoft to offer 6 versions of Windows Vista - Yahoo! News