Pre-orders for the iPad kicked off on Friday morning, March 12. There was considerable pre-launch hype about what Steve Jobs has called a 'revolutionary' and 'magical' device, so how well did Apple's tablet actually do on its first day on the market? Sales data is still sketchy, but surveys by CNN and other sites provide an approximation of the iPad's pre-order sales---and it looks like they were strong. CNN's Investor Village's AAPL Sanity board estimated that 120,000 iPads were sold on the first day the iPad went on sale; that 16, 32 and 64GB iPads were purchased with equal frequency; and