I called Comcast today to check some items on my bill. Asked the guy what I was being charged for enhanced speed on my internet. I think I asked for this sometime ago and they said it would cost about $10 extra, He said the I was not being billed for high speed. He said he had signed up for a program called "blast" and was getting 50 to 70 mbs download speed. I told him to hang on while I checked mine. When I checked, I was getting 70+ mbs download and 10+ upload. He said I was getting blast but not being charged and would keep it a secret.