Entrepreneur.com has a great article
on email subject lines
Some of the tidbits?
Keep it less than 41 characters.
Personalize it.
Write it as though it was sent from a friend.
If you’re emailing your contact list,
emails should read as though you’re talking to a friend
because they’ve given you permission
to address them as friends.
An interesting tidbit?
More and more of us are using the preview screen.
“Statistics from MarketingSherpa show
that 26.6 percent of consumers read e-mails that way.
And 69 percent of people reading e-mail at work do so
with the preview pane turned on.”