After missing its year-end 2011 target date, C Spire is once again set to get its LTE network up and running -- this time with a more realistic fall launch. The regional carrier announced plans for that initial rollout today, aiming to blanket 20 markets in Mississippi this September. Bear in mind, this particular flavor of 4G is more akin to the brisk, though not blistering performance achieved by HSPA+, given average downlink speeds should range between 4Mbps to 12M