Updating an earlier iPhone 3G/3GS design for the iPhone 4, United SGP's Neo Hybrid Matte ($27) is a two-piece case with a matte black rubber body and a thin hard plastic outer ring designed to add stability and add a second accent color. Versions with gold, silver, gunmetal, and white or black rings are being offered in addition to several brightly-colored, glossy alternatives ("Neo Hybrid Color," not shown), each with clear screen protection…
