A storied name is returning to the Corvette lineup for 2010 - the Grand Sport. Unlike the last Grand Sport, which was a send-off for the last of the line C4 generation Corvettes, the new Grand Sport will be a regular production option package for the C6 generation base-model Corvettes.  It's intended to sit between the base Corvette and the hardcore 7.0L Z06 model, making the 'Vette lineup more confusing than ever. The old Grand Sport was only available in blue with white and orange stripes, with a production run limited to only 1,000 units.  It had the hot-shot high-compression LT4 small-block V8, ZR-1 rolling stock, and numerous mechanical upgrades.  It looked like this, and went like stink. The new one follows a similar pattern.  While the