I'm going to be implementing some NJ220 switches. They are EOL, and
only 10/100, but their feature set is impressive for their size. I
I'm buying a few extras, but not that many. There's a glut of hardware
out there that's for sale. By the time I need more and can't source
them from retailers, the building would have crumbled into dust. My
estimate is 5-10 years 
Seriously though, if I can't source more, it won't be the end of the
world. I'll just strap switches to the desks. The in-wall formfactor
is neat, though.