I wish anyone luck that wants to try one of these projects. They are WAY harder than they look.
I do think there is something to be said for quietly working rather than publicising though. That seems to end in tears and hostility most of the time.
I would add Majsta's Vampire 500/600 projects to the list of successes though. He publicised from the planning stages and learned from scratch on the project. That takes some serious dedication. His cards may not be shipping yet, but he has clearly succeeded.