Gumdrop Cases' Surf Slider for iPhone 4 ($35) is a slide-together, semi-transparent polycarbonate case for the iPhone 4 offering a form-fitting design and open access to all controls, rather than button protection; no screen protector is included for the price. Notably, the Surf Slider's closely cropped camera hole may lead to issues when using the integrated flash, and the case is so tightly tailored to the iPhone 4 that we found it a little challenging…
