Unfortunately you hear more bad press than good in regards to Greek life. I was very apprehensive in having my younger son rush Fraternities at his school, but since it was important to him, I let my concerns go. It has been a very good experience for him academically (great upperclassman mentors and alumni networking), socially (a lot of friends) and personally (volunteering events -emphasis on ALS due to a former Frat alumni Lou Gehring).
It is up to each student to figure out how much of a Greek presence will affect their overall college experience.