Matt, Graeme, Everyone...

I actually gave this some thought and honestly can't even come up with an answer to...

I see it all as more of an on-going process, making changes and tweaks as time goes on.

Using Tagz lets you adjust navigation much like SSI tags would.

We may hear of a viable SEO strategy and do some SEO-type tweaks.

Or, we may want to adjust our NoFollow tags from time to time...

It's almost like "which came LAST, the chicken or the egg?" LOL