Hard Candy Cases has unveiled its new lineup of cases for the Apple iPad tablet. The line includes the Hard Case, a rigid EVA-foam case with specially fitted bumpers to keep the iPad in place, a soft interior lining, and a zippered closure. It sells for $45. A variant of the Hard Case, Hard Candy’s Bubble Sleeve offers similar protection, but adds a raised, bubbled outer surface for added shock protection, and sells for $45. The Smooth Skin…