Also, some of the export issues is bottlenecking in the pipeline market. When the gas cannot be moved economically due to limitations in the delivery system, other sources become more economical.
Take a look at the following report. I know it is long and detailed but jump to page 14, Figure 6. This shows where the industry sees the most need to increase ability to move Natural Gas. The biggest expected growth is to get more capacity to move Nat Gas to the Northeast.
Expansion of the U.S. Natural Gas Pipeline Network:
Additions in 2008 and Projects through 2011
http://www.eia.doe.gov/pub/oil_gas/natural_gas/feature_articles/2009/pipelinenetwork/pipelinenetwork.pdf
Will check later, link has some glitch.
Son-in-law is involved with pipelines coming out of the Haynesville. They have bottlenecks in both gathering system and mainline pipeline capacity, but are hard working to improve ASAP.