http://www.astromech.net
http://movies.groups.yahoo.com/group/r2builders/
http://www.vfranco.blogspot.com
http://www.r2-r9.com
http://www.r2-d2builder.com/index.html
http://www.barrettandcarly.com/blog/
http://www.r2kt.com/
http://www.r2atl.org/
http://www.sparkfun.com
http://www.artoo-detoo.net/
