If you've been wondering what some companies think the iPhone 5 will look like, here's a peek: GreatShield's new iPhone 5 Cases ($TBD) are fairly generic Chinese-made silicone cases, suggesting the dimensions and fit of a much larger, thinner device than current iPhones and iPod touches -- an entire iPhone 4 fits inside the edges of the bezel with room to spare. There's an atypically small raised bump for the Sleep/Wake button, as well as an opening…
