* Start-up gains success in bringing wireless to the Southwest
* Start-up readies satellite service for telecommuters and branch offices
Help for Web users a headache for others.
* Start-up Virtela sees growth in broadband access to corporate VPNs
* STSN channels venture funding into Wi-Fi
* Venture capital investments in ISPs rise, survey finds
* Level 3 adds voice to is services
* MCI network forms core of the Internet, study finds
