Chatr Wireless, a Rogers Communications venture, is officially open for business, and the low-cost, prepaid wireless company is keeping things simple. Chatr is currently offering a selection of four phones: the Nokia 1661 for $60, the LG GB125R for $75, the Nokia 2680 for $95, and the Samsung Gravity for $130. The company also, as reported, has two very simple contract-less calling plans: unlimited talk for $35 per month, and unlimited talk and text for $45 per month. The website is also up and running, ready to show you coverage maps, roaming rates, etc. Happy chatring!