The payroll tax cut may not be all it is cut out to be.  Use the calculator below from Kiplingers.com to see what the payroll tax cut would actually be worth to you. 

http://www.kiplinger.com/tools/2011_Social_Security_payroll_tax_cut_calculator/

http://money.cnn.com/2011/08/16/news/economy/obama_payroll_tax_unemployment_benefits/index.htm