I've noticed a number of places where the MS FUD vs. Linux and open source in general is a lack of paid, reliable support. Strangely, I caught this over at the
VirtualPC support pages under support options (VPC is now a Microsoft product):

Post a question to the newsgroup.

Every Microsoft for Mac product has a newsgroup where hundreds of Mac users including those identified by Microsoft as MVPs (Most Valuable Professionals) will answer questions...

Average response time: 9 hours
Cost: Free

Hrm. Sounds an awful lot like stereotypical open source support to me. Of course open source has other support outlets (you can pay Red Hat as much as you'd like for paid support, as an example), but it's interesting to see the pot calling the kettle black, then saying black's a good color after all.