If you're looking for an inexpensive and straightforward way to protect your new iPad, Amzer has introduced its Silicone Skin Jelly Case ($20). A simple wraparound rubber skin, it offers a pretty impressive amount of coverage, although there's one glaring omission: the Apple logo on the back is left exposed. Otherwise, most of the body is protected by the soft silicone, including the front bezel, volume rocker, and Sleep/Wake button. The holes…