On The Trail

Here’s a interesting report from
DARTmail based on their aggregate statistics.
Summary:

Open rates down,
current average 30.2%
Clickrates down
slightly, current average 7.9%
Click to Purchase rates
from email range between 3.3% and 4.9% depending on the
season.
Full
report: 
DoubleClick Q1 2005 Email Trend Report