I just started dabbling with Nix a couple weeks ago, and I'm loving the declarative style configuraation. Switch to unstable version, switch back, try a new wi

I just started dabbling with Nix a couple weeks ago, and I'm loving the declarative style configuraation. Switch to unstable version, switch back, try a new windowing environment and revert when I don't love it. You get grub menu items that let you boot into a rootfs of older configurations. Pretty slick!