So head on over to Mother. Write. (Repeat.) if you want to know juicy details about my querying process. (Or if you're researching agents and want to know what Victoria Marini is looking for in a manuscript.)
Also, yes, I did have specific crit partners in mind when I wrote the advice about that (towards the end of the interview). One of my toughest CP's isn't even a writer. She's an avid reader, though, and she asks HARD questions. I need that. Plus, she loves to brainstorm, which is fun.