The best price for TurboTax 2010 Deluxe (with E-File and State) is currently at Amazon.com for $41.99. Costco, Best Buy, Staples are selling TurboTax Deluxe with E-File and State for around $50

• TurboTax Deluxe Federal + e-File + State 2010
  Currently $41.99 for the CD-ROM edition with free shipping.
• TurboTax Deluxe Federal + e-File + State 2010 [Download]
  If you prefer downloading the software from Amazon, the price is $3 less $38.99.
• TurboTax Premier Federal + e-File + State 2010 $63.99
• TurboTax Home & Business Federal + e-File + State 2010 $70.99

Price is subject to change.