BizLetter is easy to customize and easy to edit e-mail newsletter, comes with 2 layouts: one-column and two columns.
This pack includes 5 colors: Green (default), blue, red, yellow, and gray. All are available in HTML alongside with their PSD files for template customization.
BizLetter has been tested in all major e-mail clients, and what you see in the preview is what you get in Gmail, Yahoo, Hotmail, AOL , Outlook 2007, Thunderbird. See sceenshots.
A detailed documentation is included for easier edit and customization.