Tablet sales affecting netbooks? Seems everyone's been suggesting that lately, from Best Buy to ASUS, with much of the blame placed on Apple's iPad for mining the gap, so to speak. Add Microsoft to that chorus -- specifically GM for Windows Product Management Gavriella Schuster. Referencing the pink netbook sitting between her and Seattle Post-Intelligencer's Nick Eaton, Schuster said, "These are definitely getting cannibalized these are really a second device. But