I want to join US universities on Feb intake 2014. Is it a good time to join MS course, in respect to post MS job opportunities??

Hi, I am Rahul Dutta. I am preparing for GRE and planning to give it on Feb 2013. To apply for Fall in US, we need to complete GRE and Toffel within Dec ( As i heard). My aim is to get admit in spring. Is Spring is a right time to join US universities? in respect to post MS job opportunities??