During the mid-to-late 70s I found Daredevil a bit of a chore to read because of some very mediocre stories and artwork, and rarely picked it up when it was distributed to the UK.
Even though he was a new artist, I liked the way he emulated the Kane and Janson figurework from a couple of issues prior to his debut, and also the dark city noir influences from one of my comics icons, Will Eisner. Very impressive art for someone with so little experience, especially when compared to his earliest DC work. Also, his Spillane-influenced crime story style was perfect; well, before I got bored of it eventually through decades of repetition. Still a paradigm for the title, as some of the best-regarded, longest runs are also by other crime comic writers, Brian Michael Bendis and Ed Brubaker.
Of all his stories, I'd rate 'Born Again' the highest.
The Visionaries reprint books shown in earlier posts, and the later Omnibus, have excellent remastering, compensating for the dull, semi-transparent newsprint of the originals, really enhancing the artwork.