Hooper,
Now that Blast Pro here in CO is about 272/12 (at least for me in Littleton), I'd upgrade so you get what you paid for, unless you're going to wait for the Gigatbit that Comcast said would be here in Denver in 'early 2017.'
I went with the Netgear CM600: »
www.amazon.com/NETGEAR-D ··· ds=cm600All 24/4 channels lock. Have never had a problem with the modem. Works perfectly.