Griffin Technology and Waterfield Designs have each unveiled new cases for the iPhone 4. Griffin’s lineup includes the Elan Holster Metal, a horizontal holster-style case with a Velcro closure flap, polished metal accent, and a soft inner lining for $35, the Elan Passport Wallet, a vertical folio-style case with inner card/ID slots, a separate pocket for bills, and metallic accents for $40. Also available will be the slim-line Reveal case…
