Lensauthority.com, the sister site for Lensrentals.com has an exclusive coupon code for Canon Rumors readers, you can save 10% site wide.
Lensauthority is one of the very best places to buy used gear. Not only is it thoroughly tested, but you also get a 90-day warranty. For a small fee, you can extend that warranty to two years.
Here are some pricing examples after the 10% discount:
Canon Cinema EOS C100 Mark II starting at $2286
Canon Cinema EOS C300 Mark II PL starting at $6534
Canon ME20F-SH starting at...