I have always been really impressed with Pitchfork's longevity - been a regular reader since the early 00s and I still check the reviews every day for a new song or album to listen to.

One of their most impressive features I thought was their 'Cover Story' articles, definitely worth a peek:

http://pitchfork.com/features/cover-story/

As everyone was tripping out over The NYT's Snow Fall (great piece, certainly), Pitchfork was at the time releasing similar articles with relative frequency. I never felt these got as much credit as they deserve.