I used Turbotax for several years and switched to H&R block this year. The interface was easy, I could import from last year's turbotax return (PDF) and my W-2.
Pros: Easy to prepare, Easy to import documents, Fast
This is a very easy to use tax software! Basically you input information as you answer each question.Nothing to it!! Software was so easy to install also. Updates were provided and installed immediately as the updates became available.
Pros: Easy to prepare, Maximizes refund, Easy to import documents, Fast