Cell Phone Ponderings

Now that I’m traveling to more and more events, the utility of a cell phone is becoming more and more apparent. I’ve been staying away from them since they don’t work anywhere near my house, but perhaps they’d be useful when away from home. But, it’d be used rarely, so I’m thinking that perhaps some prepaid plan may work best. (Our home phone line usage averages 150 minutes a month, and this is likely to be used much less than that.) Just wondering if people have recommendations or suggestions.