I use both Redhat and a variety of Windows versions as do many client sites. I don't have a dog in the fight except that I don't understand why pro-Linux/anti-Windows users are usually so militant and want one monoculture replaced by another (differing versions of Linux notwithstanding).
Here's one of the only gripes I have with the Linux crowd: in their zeal to promote open source and/or destroy Microsoft, the urge to include condescending 'zingers' in almost every piece of advice seems irresistible. If they aren't stated openly, they are certainly implied.
Being an advocate and an enthusiastic user is fine but constantly slamming MS, its products and its user base will continue to fail to win friends and influence people.
Good point. Ever hear of Steve Ballmer?