Initially they were keeping V1 going because of all the customers who bought the game. I'm more curious how many people will pay to stay until V2 comes out.
In my opinion, if you had to sit for hours each day, you might as well do it in a quality chair. While they do cost a lot Aeron chairs were designed with longevity in mind. You could also check your local craigslist to find a used one.
Encrypted offsite backups. Unless you want to control the offsite location as well.