He is on my RSS aggregator list.
Naturally.
Anybody who is concerned about the business and nature of software
must be a member of his readership. Period. (of course, this does not proclaim in any way that his is always The Living Word that cannot be denounced)
Other notable voices in the software development:
Eric Sink, owner of
SourceGear (Vault source control fame)
Jeff Atwood, Coding Horror