It's not exactly targeted towards weightloss, but apps like Boostcamp are really great for finding and keeping track of workout routines. The thing I miss most from the old site is the /r/weightroom community.
For the last five weeks I've been following the juggernaut powerlifting program and really enjoying it
There would be no hassle in wiping the drive, you can do it as part of the super easy installation process for any Linux distro. Ideally you would back up any important files and drop them into your fancy new file system once the install is finished. And you can pretty much launch almost any game directly out of steam and it will run. There are a few exceptions for some of those games with anti cheats that rootkit your system, but the majority just work out of the box. Drivers included, but Nvidia might be ever so slightly annoying
Save the gorilla, save the world