yoga union square

Any good yoga places for less than $150 a month in union square/east village?

i wanna start doing yoga 2 times a week every week for less than 150$ a month. any suggestions?

theres OM yoga near union square, that my friend loves, but im not sure how much it is. http://www.omyoga.com/

also yoga to the people which has free (donation based) yoga on st. marks, though i've heard its really crowded
yogatothepeople.com

http://www.google.com/search?q=cheap+yoga+nyc&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Yoga at Union Square Park By MySmartYoga.com

Yoga for Equestrians: A New Path for Achieving Union with the Horse

$17.87

A unique program of yoga for riders that cultivates both mental and physical flexibility and balance--vital keys to achieving harmony between horse and human. This manual is profusely illustrated with color photos and drawings....