We heard some pretty ridiculous estimates over the weekend, but these figures are straight out of Cupertino's mouth: over 300,000 iPads were sold on April 3rd. Specifically, that many were moved in the US as of midnight (PT, we're assuming) on Saturday, though this does include deliveries of pre-ordered units to customers, deliveries to channel partners (such as Best Buy) and sales at Apple Retail Stores. We should point out, though, that just because Best Buy purchased a bundle of 'em doesn't mean that end users have (yet), but still, this is a pretty impressive feat for something that not everyone was convinced that they "needed" in January. If you'll recall, Apple only sold 270,000 iPhones during its first 30 hours on the market, yet it moved over a million iPhone 3GS units during that handset's opening weekend. In related news, iPad users also downloaded over a million apps and over 250,000 ebooks from the iBookstore during launch day, with Steve Jobs himself noting that "iPad users, on average, downloaded more than three apps and close to one book within hours of unpacking their new iPad." Now, let's see if these guys can keep pace through the first full week.