Windows Workflow Architect Dave Green has a blog!
Dave Green is the architect of Windows Workflow Foundation and has just started blogging now that we have announced Windows Workflow Foundation, check out his blog here
I had the pleasure of working with Dave Green in his pre-Microsoft days, he's got deep experience withWorkflow and a great vision and he's done a great job with WWF especially the fantastic API and extensibility points!
Some great postings already, keep it up Dave!