Bookmarked at del.icio.us/davidwang:

• Email Newsletter Tips, Tricks, and Stats, Part 2 – Email marketing goals, where to get content and effective subscription pages
• ClickZ: Ask the Right E-mail Questions – Newbie email marketing questions
• ClickZ: Auditing Your E-Mail Initiatives: Five Areas to Examine –
• ClickZ: The Four Basic Email Campaign Tests –
• How to Beat a Lower-Priced Competitor –