Here's a list of places to purchase tax preparation software I found on the internet. There are promotions from time to time, but the best deal right now seems to be from Staples.
Staples.com
If you use online coupon site such as
EBates.com [Referral link, $5 bonus for you and me] or
FatWallet.com [
$5 Sign Up bonus], you can get another 4% off you total purchase.
Click
here for more.