The Boy Genius Report just posted a thread like 20 minutes ago, answering lots of questions. A lot of the questions, you already know, but there are few that are quite informative.
Your EPIC 4G questions answered Boy Genius Report
And here is the "first impressions", with the full report to come later.
Sprint EPIC 4G: First Impressions Boy Genius Report
Your EPIC 4G questions answered Boy Genius Report
And here is the "first impressions", with the full report to come later.
Sprint EPIC 4G: First Impressions Boy Genius Report