I switched over about a month ago. I love it. My phone bill with Verizon (for local ONLY) was right around 50 a month. With Vonage, I got the 500 minute deal for 15.00 and my bill was just under 17.00. I don't use the phone that much.
As for 911, that isn't a big issue. You set 911 up for the physical area where it is going to be used. Unless you take your phone number with you on travel you won't have any issue.
