→ comment to The next wave in scholarly word processors?
What I’d like to see is more people using version tracking systems.
With these you have a discussion which can be merged easily when it gets branched. I use it for anything I do, and I could use it together with an only-windows-and-GUI user with ease, installing TortoiseHG for both and Lyx for him (LaTeX made easy – you don’t have to see the sources).