I use the custom Sound Anchor Gallo stands. I like them a lot because they are really heavy and provide excellent support for the 3.1's. They are cast iron I believe and give a similar height to the Mapleshade stands.
http://www.avsforum.com/avs-vb/showthread.php?t=805768&page=4
scroll down a little past halfway on the page for the pics.
Steel
http://www.avsforum.com/avs-vb/showthread.php?t=805768&page=4
scroll down a little past halfway on the page for the pics.
Steel