If ya need hyperthreading, should the 2600k be an option ? Well to my mind at $30 it was a "no" answer. after a few seconds consideration .... but at $10, it's a "no brainer".
Intel 2600k $310
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115070
Intel 2700k $320 - $20 off w/ promo code EMCNFJA25, ends 4/25
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115095
Intel 2600k $310
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115070
Intel 2700k $320 - $20 off w/ promo code EMCNFJA25, ends 4/25
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115095