Are you registered to donate your organs? Why or why not?

As a very strong believer in Danny DeVito's quote, "When I'm dead, just throw me in the trash!", if any medical party is even remotely interested in dumpster diving for my parts when I'm done with them, they can have 'em. Better than throwing them in a box and taking up land in a cemetary. The less of my remains uselessly taking up space on this planet after death, the better. If I get my way upon my demise, anything they don't take is going into the incinerator anyway.