If they are binary compatible down to the binaries, it'll be surely awesome and uber-portable.
Blue Arch (Linux), red Arch (BSD), another blue Arch with patches all over it (Hurd).
Anyway, I'll stick with Slackware-based distros for my personal uses.
Dusty Switch
It's DES 1024r, main unmanaged switch in my lab. Despite being installed inside a rack, it got dusty after 4 (or so) years. Anyway, it runs just fine.