Here is a link that gives a pretty basic understanding of the 'merle gene' ~~ http://hubpages.com/hub/PuppyColoring
There are several active agility clubs in your region.
Here is a link to the USBCA -- focused mostly on the working dog (we attended their nationals in Gettysburg in 2007, that was awesome) http://www.bordercollie.org/core.html The nationals are in Virginia for 2010.
Here is a link to one breeder referral site: http://www.bordercolliesociety.com/BC_Info/Breeder_Referral/breederdir.htm
Here is the link to Sheepy Hollow Farm: http://www.northeastpennsylvania.com/SheepyHollow.htm
There are several active agility clubs in your region.
Here is a link to the USBCA -- focused mostly on the working dog (we attended their nationals in Gettysburg in 2007, that was awesome) http://www.bordercollie.org/core.html The nationals are in Virginia for 2010.
Here is a link to one breeder referral site: http://www.bordercolliesociety.com/BC_Info/Breeder_Referral/breederdir.htm
Here is the link to Sheepy Hollow Farm: http://www.northeastpennsylvania.com/SheepyHollow.htm