This news is actually two weeks old, but I have moved into the new office. The complete project took a lot longer then expected, but that is mainly due to the fact that I hated sanding.
Doing the demo, insulation, putting up the dry wall... no problem, even throwing "mud" on the walls was no issue, but sanding that mud, and adding more and resanding was very very painful.
But after I got to a point where I didn't care I decided it was good enough, and that I would add some texture to the paint, and no one would be the wiser.
At the same time, my mom decided to move so I had some extra office furniture at my disposable. I am also fortunate enough to have friends with some interior design skills (or just good taste) that helped me lay out the room. All in all I would say it is a great improvement, and I will be posting a final video shortly.