When monster tower was out of stock on their tower mirrors I bought the diy wake tower mirror (articulating arm). It does not have quick release, but can be taken down in 10 seconds with the allen bolt half way up the arm. It has been a great mirror for a couple of seasons now. Durable, adjustable, no complaints whatsoever. Its at
http://www.diywake.com/shop/shopexd.asp?id=570 I got it with the mirror, paid maybe $150 or thereabouts. Best mounting location was on the left front tower support, leaving my line of sight in front open.
Erik, I would say you cant go wrong with this mirror