Provide support is not capable of handling more chats at a time.
Visit the link below for the proof.
http://img31.imageshack.us/img31/7839/support.jpg
Chats: 15 Operators: 1 (Thats me

)
I was on the Live chat handling this flow. I enjoyed it actually too handle such flow and took a screen shot

.
I left the chat when it crossed over 15...Single man...LOL
Btw:
chat4support is also a good software and better pricing.