<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><a href="http://www.lasertagparts.com/mtdesign.htm" style="font-family: arial; font-size: 10pt;">http://www.lasertagparts.com/mtdesign.htm</a><div style="font-family: arial; font-size: 10pt;"><br></div><div style="font-family: arial; font-size: 10pt;"><a href="http://www.instructables.com/id/DIY-Laser-tag-system-from-simple-to-complex/">http://www.instructables.com/id/DIY-Laser-tag-system-from-simple-to-complex/</a></div><div style="font-family: arial; font-size: 10pt;"><br></div><div style="font-family: arial; font-size: 10pt;"><a href="http://opticaltag.net/">http://opticaltag.net/</a></div><div style="font-family: arial; font-size: 10pt;"><br></div><div><font face="arial" size="2">Their is a lot more out there so including commercial systems. Should we concider starting with an existing system?</font></div></td></tr></table>