BTN-network

All, I hope that this is an acceptable discussion. I am curious if anyone has worked with or may have any comments about BTN's service. Is this the company formerly known as CAIS/Ardent? I am a network engineer for a web-hosting/small ISP, and considering them as one of our providers. Any opinions and comments appreciated. Feel free to contact me off list @ darrell@natnet.com. Thank you, Darrell C. National Net