Griffin Technology has introduced its Streamline armband for iPod and iPod nano. Hailed by the company as the “ultimate sport armband,” the Streamline features a slim, low-profile design, a clear, full-face screen protector, reflective trim for safety, and a washable, two-way adjustable band. Currently available in black only — colors are planned for a follow-up release — the Griffin Streamline for iPod and iPod nano are both…