You don't lose anything by rushing but the cost of signing up for recruitment, which is usually reasonable. I think you'll enjoy it. You'll make new friends and really get a good look at a part of North American culture. And if you get a bid -- bonus!
There are so many wonderful sororities there. Please consider them all seriously. Membership in a sorority is for a lifetime!
ETA: Congratulations to Russia for getting the bid for the winter Olympic games, 2014! I've heard wonderful things about your beautiful Black Sea resort city of Sochi.