Have one to three rock stars and a pretty clear picture of what your audience wants. Code like crazy. Get Version 1.0 out there. Get feedback. Adjust. Repeat until done.
One thing that was glaringly missing from Joel's article was the importance of taking in user feedback and iterating like crazy. I'd go so far as to say that iteration is even more important than fine-grained estimates.
By doing anything other than the following:
Have one to three rock stars and a pretty clear picture of what your audience wants. Code like crazy. Get Version 1.0 out there. Get feedback. Adjust. Repeat until done.