Standard list: {Here}, VCM, eBay, town recycling center
Like I said earlier, find people on eBay, befriend them, get on their
contact list, find things like a PDP-11/10 (1972, my oldest computer)
that they would've deemed scrap, make a reasonable offer.
Two more:
The Trenton Computer Festival (good for Apple, Sun, at least).
http://www.tcf-nj.org/
the one and only of the year is in five weeks
The Flea at MIT
http://web.mit.edu/w1mx/www/swapfest.html , click on 'flyer'
first of the year is in three weeks
John A.