ATT and T-Mobile’s mutual contempt for one another is producing better deals for many wireless customers. ATT this weekend announced that it’s cut the price of its 2GB Mobile Share Value to $65, or $15 less than the original price. Although the plan only offers 2GB of data, it does give you unlimited voice and text, “as well as unlimited international messaging from the U.S. to select countries,” so it could definitely be a sweet deal for anyone who doesn’t gorge themselves on LTE data every month. For its part T-Mobile has boosted the monthly data allotments for its lower-tiered data plans from 500MB to 1GB on the $50 Simple Choice plan and from 2.5GB to 3GB on its $60 plan. There’s