No, I wouldn't. Go read my earlier post on why Cisco walked out of the deal.
Cell service is expensive, and cell companies used to sell cell service. And they think they still do.
But what they really sell is roaming access to the SS7 network. There's an incredible market for that with Voip becoming popular. Skype doesn't work when I'm in the middle of nowhere out of range of a Wifi hotspot. Vonage or my local telephone company doesn't work when I'm not home. Cingular doesn't work in the conference room in the middle of work, or at my house in the boonies.
Three ways to get a phone number and complete a call onto the telephone network everyone else is on. Only one has the infrastructure to work almost anywhere I am, but they don't have the infrastructure everywhere. I don't want 3 phone numbers. I don't want to deal with three different companies every month to stay connected. I want one unified network agnostic way to complete a call, whether it's over GSM when I can see a tower, or VOIP and Wifi when I've got that handy. And cell phone companies are in the best position to do that, because they have the hard part -- connecting while I'm on the road. Connecting while I'm within reach of an internet connection is easy. And when I'm near a TCP/IP connection, GSM is the worst possible way to get voice anywhere. It's expensive to deploy and maintain, and it's slow for general purpose data.
Cell phone companies are eventually going to either sell high QOS mobile voice and universal VOIP to SS7 access along with valuable mobile data, or they're going to get replaced by an upstart company who can. The question is how long it takes them to see that, or how long they're going to maintain a dying business model based on overpriced "special data" and trapping their customers in artificially inflated economies in a world where data and TCP/IP is quickly becoming a comodity item.