Right now, I am in the proofreading stage, but I do have two readers who are proofing for me. I am one of those people who can't resist editing when I'm reading through the manuscript. And, prior to this, a professional proofreader had gone over it. After this round, I'm going send it off to be formatted immediately if I can find someone to pry it out of my hands.
If you'd like to know more about how to proofread and get some great tips, check out Jaye's great blog post on the subject.
From E Book=Real Books JW Manus Blog
The Proof is in the Proofreading