Combining the company's earlier SeeThru-series cases with its latest CandyShell for iPad, Speck's new SeeThru and SeeThru Satin for iPad ($50 each) are hard plastic and rubber hybrid designs that provide substantial coverage for the iPad's body. SeeThru is a completely clear frame with slightly frosted rubber used as edging, holding the iPad inside and enabling it to sit flat on any surface, while SeeThru Satin is supposed to be translucent with a…