Hard Candy, Uncommon, and Proporta have all announced their new case lineups for the iPhone 4. Hard Candy’s new cases include both soft touch and metallic versions of its textured polycarbonate Bubble Slider case, the snap-on Superlight case, and the soft touch, polycarbonate Candy Slider, all of which are priced at $35. Uncommon will be offering customizable versions of its TPU-based Trooper Case and Gallery Case—in white or black—as well as the simple Loop. Finally, Proporta’s lineup includes updated versions of its Aluminum Lined Leather cases for $43, Silicone cases for $29, and Shine cases for $37, as well as standard and mirror-finish screen protectors. All of Hard Candy’s new cases for the iPhone 4 are available for pre-order now and will ship June 15; Proporta’s new cases can also be pre-ordered and will ship soon, while Uncommon will be taking orders for and shipping its new lineup later this summer.