Currently available in two sizes -- one for iPod, and one for iPod nano -- and now planned for an August or September release for iPhone, Griffin's Streamline ($30) is a simple, convenient armband and case design for active users, with nicer looks than the company's earlier Tempo armbands. Each Streamline consists of a hard plastic shell with a full clear soft plastic face protector and a soft neoprene back and side protector. The face protector is…
