Information about what the Boston Game Loop is all about, for those who don't know can be found here.
For those who weren't able to make the GameLoop, a collection of notes, thoughts and write ups from various people who attended, in various disciplines are listed here that I could find. If there are any others, please let me know.
Darius Kazemi, on his blog, Tiny Subversions, has a indepth write up here.
"Unconference unwriteup from a game undesigner" by Nick Lalone
For a photo look into the conference, Elliott Mitchell, has posted a public album here.
For those interested in the Philly Game Loop, which was a spin off from the Boston event, a good write up of that event can be found here.