Personally I came to ocremix for Contra, Ice Hockey, Baseball Stars, and many other NES games. That is what got me in the door. From there many sites like this and zophar have expanded my horizons to all other genres.
While it's true that the article is heavy on the SNES, you've gotta think that most people who are just getting into the scene have played it. So it's a really good way to get people in the door to the scene. That is what the article (first part mind you) is all about.
It's a guide to the realm that is video game music. First step is turning the door handle, not YOU MUST LISTEN TO THIS UNDER-RATED SOUNDTRACK!!!!