I haven't flown thru IAH in a while but I do remember what the concourse looked like prior and this does sound pretty good.
United Airlines Unveils Renovated Terminal B South Concourse at Bush Intercontinental Airport
United Airlines said it will open its new Terminal B south concourse at George Bush Intercontinental Airport in Houston on May 1, 2013. The airline plans to phase in its use of the new concourse over the coming two weeks, and the first 15 gates will be fully operational at the start of next month.