Sprint Nextel has announced that it is rolling out a new service called NextMail, powered by Pacific DataVision, that will be available across all Sprint BlackBerry Curves. With NextMail, users can wirelessly dictate important messages while on-the-go, to an individual or group, by simply making a call from their cellular phone. NextMail’s messaging services allow you to speak your message, hang up, and the voice message is sent to the recipient’s email inbox as a voice-recorded mail. This service should be handy for users who are in the field and want a fast way to communicate, that’s sort of like email for PTT. NextMail costs $7.50 per month and NextMail Pro costs $19.99 per month.