Now that all the major cellphone carriers except Sprint have a $99 flat-rate plan for unlimited calling, Sprint wants to one-up everybody and undercut the competition by up to 40%. According to Reuters, analysts are saying that a plan could be coming that either hits the $60 or $80 price point, which would be hard for Verizon or T-Mobile to match. Again, it's all rumor and speculation now, but wouldn't you love a $60 unlimited talk plan? [Yahoo]