When a company delays a product for "minor refinement," we typically expect to see small changes that contribute to a stronger overall product. That wasn't Wikipad's approach -- when it took its namesake gaming tablet into the lab for "minor" tweaks, it took a few inches off its screen size. The Wikipad is now a 7-inch tablet, slated to launch in spring for $249. It's smaller, the company says, but no less powerful -- it's keeping the Tegra 3 GPU