@coxhaus exactly - sure you can pick some older models for good prices on ebay, etc.. But yup loud and love to suck the electron juice ;)
Only way I could see running them is in a true lab, where they are only one while you actually lab something..
I just installed some older 3850's in a branch office - and kind of felt bad, you could hear them out in the office ;) But my boss said that's a facilities issue.. they can sound proof the room or move them to somewhere else in the office, but this is where they told us to install them.. And that is where all the current drops go too, etc.