I've been using TurboTax since version 1.0 It makes filling out my taxes as easy as possible. I never have to check the tables or transfer the numbers from one form to the next... TurboTax does it all. (And it doesn't make math errors either.)
What's great about it: Copies data from year to year
What's not so great: Cannot grab my info from Quicken
I used H&R Tax Break last year - big mistake. Frustrating experience all around. This year I came back to Turbo Tax and (as always) it was quick, easy, guided me through all the complicated topics, was accurate and got me the best refund. I am on Turbo Tax for life
What's great about it: Guides you easily through the process
Pros: My job status changed this year (switched jobs, lost a job, got a raise or promotion)
I have using Turbo Tax for about 10 years now and it has never done me wrong. The explanations concerning some items do refer you to the IRS website, which is as exciting as watching mud dry. Overall, I wouldn't change my mind because of everything Turbo Tax does do well for me personally. I will continue to use and trust the product to help every year during tax time.
The only dislike I have is the fee for efiling my state return; it is rather steep to send everything digitally.
What's great about it: Easy to use, self explanatory, guided tours, accuracy checker
What's not so great: short explanations for some items, fee for state tax efile
Pros: My job status changed this year (switched jobs, lost a job, got a raise or promotion), I bought or sold investments