I'm new to comics, period. I've recently caught up with Superman and Justice League. I'm almost caught up with Batman.
Superman - One of my favorite superheroes, I felt myself grinding through the reading instead of actually enjoying it. After reading JL and Batman, I knew for certain that Superman was crap.
Justice League - Awesome read packed with action, teamwork and funny scenes between two or more of the characters.
Batman - One of my least favorite superheroes, I only decided to read it because of The Joker. The atmosphere, pacing, and suspense have made it my favorite series so far.
I see many have recommended WW, it seems I should check her out next after I'm caught up with the Dark Knight