http://www.bestbuy.com/site/Samson - Go Mic Portable USB Condenser Microphone/9356047.p;jsessionid=D311A9B5983AA8F8F94508F602F348DF.bbolsp-app01-75?id=1218090587682&skuId=9356047&st=consender mincrophone&cp=1&lp=2
http://www.bestbuy.com/site/Behringer - Studio Condenser Microphone/3183169.p;jsessionid=D311A9B5983AA8F8F94508F602F348DF.bbolsp-app01-75?id=1218382966275&skuId=3183169&st=consender mincrophone&cp=1&lp=7
http://www.bestbuy.com/site/CAD Audio - Cardioid Condenser Microphone/3400899.p?id=1218399198563&skuId=3400899&st=consender mincrophone&cp=2&lp=12
http://www.bestbuy.com/site/Behringer - Dual-Diaphragm Studio Condenser Microphone/3183178.p?id=1218382965208&skuId=3183178&st=consender mincrophone&cp=2&lp=14
Check these they are nice and cheap.