A DIY mini track I made that is portable and lightweight. And cheap to build, cost me around $75! Discussion on how its made here. http://www.dvxuser.com/V6/showthread.php?t=196598 or http://hbsboard.com/index.php/topic,4347.0.html and http://www.dvinfo.net/forum/support-your-local-camera/471057-diy-mini-track-jib-2-1-a.html