The role these apps play isn’t just to make Mac OS X look good compared to Windows or Linux, but also to help make each new version of Mac OS X look better than the previous one; i.e. to convince Mac users that it’s worth paying for the latest upgrade.
Hold that up to a mirror and I think it explains exactly why we should give up on the idea of “GNOME 3.0”. We don’t have the “I needed the money” excuse that proprietary software companies do, so why would we want to hold back new features rather than letting our users get them as they become available? And if we just let the new features trickle out one by one, then how can we ever call it 3.0?