Target.com has queen size electric blankets for $74.99. See link:
Target - Electric Blankets
As posted before, here is a 10% discount code for Target.com:
HUDDLE01
JcPenny.com also has electric blankets, but they are $104 for a queen size. As posted before there is a 25% coupon for JcPenny.com right now, which is FSPRON. But JcPenny charges both taxes and shipping which would just eat up your savings.