I want to say that I found this website easily navigable, and very user-friendly for filing on-line. (Not a paid advertisement, a sincere, unsolicited testimonial.)
I know, I know, too late for almost anyone doing their taxes this year I suppose, but I will definitely use them again next year.
(Between my Mom's hospitalization earlier this year, Easter, Pirates, Pizazz, the Sung Morning Prayer Project, my allergies, Himself's amnesia and ALL THAT, April 15 came at an iiiiiiiiiiiiiiiiiiinconvenient time, ya know? Couldn't it have been a week or two after the 14th this year?)