There goes a third! 
TL: Five years old, paid collections for less than full balance in 2010. OC was Pacific Power.
Method: Email GW letters. I used the following:
info@bonncoll.com
as well as
I have further more detailed contact info available via PM. This one was quick and painless.
Once again, major thanks to the FICO forums -- if it weren't for you folks, I would never have found out that GW letters even existed!