If you want to get in on the trend before it takes off, head to Chelsea Piers this Saturday to watch Columbia take on Brown in a real deal college-level showdown! The match runs from 11 AM-3 PM. Admission is free, but you'll get an additional 50% off if you paint yourself in either team's colors.
To answer the first question that pops into everybody's head, squash isn't the same as racquetball. Squash racquets are bigger while the ball is smaller. The squash court is also shorter but wider, and the ceiling is not in play. There are some other differences, but regardless, you're going to see some high-speed, wall-smashing, mind-blowing squash action!
Here's a YouTube video of a nice squash rally to get you acquainted: