Update: Please see comments below regarding the use of the $10 Intuit Rebate. All prices below are without the Intuit rebate but reflect the retailers current discounts and retailer instant rebate programs.
Here are the best deals on TurboTax I could come up with. This deal takes into consideration, shipping charges, tax, instant rebates available & Intuit rebates. These ships free with Amazon Prime.
Turbo Tax Deluxe w/ Federal & State eFile
Turbo Tax Deluxe w/ Federal & State eFile $44.99 & Quicken Deluxe Edition
Let us know if you find something better!