Speck Products has unveiled its new ShieldView line of screen protectors for the iPad, iPhone 3G and 3GS, and second- and third-generation iPod touch. ShieldView protectors use static-cling to adhere to the devices’ screen without leaving any residue, and feature an anti-glare finish for improved visibility. In addition, all ShieldView protectors ship in a re-sealable storage envelope to help keep the spare protectors in good condition. Speck’s…