eBay has a few Intuit Turbo Tax softwares for a good price.

Deluxe Version for $37.99
For most basic W-2 and some deduction
Regular Price is $69.99

Premier Version for $53.88
You have investments and rental property(s)
Regular Price is $99.99

Home & Business Version for $58.99
Personal and Self-Employed
Regular Price is $109.99