Cisco’s response #1: market green and hope the customer doesn’t see the Cisco energy tax on his bill.
Cisco’s response #2: start redesigning its products (this probably won’t be just another upgrade).
What’s the customer to do #1: don’t get distracted by Cisco marketing
What’s the customer to do #2: fund your data and/or UC evolution through energy tax savings
What’s the customer to do #3: get the facts and do the math