Come October 18, T-Mobile USA will be shaking things up in the prepaid market with a handful of new options that finally acknowledge users -- yes, even those on prepaid plans -- are gobbling data in droves. Unlimited voice and text with 2GB of data will run $70 a month; the same plan with just 100MB of data will run $50, and for $30, you'll be able to get a pretty interesting concept that includes any combination of 1,500 minutes and text messages plus 30MB of data. For $1.49 per day, you'll be able to sign up for a Web DayPass, which gives you unlimited browsing capability on any data-capable phone; T-Mobile tells us BES isn't curren
