450,000 iPads sold, 600,000 iBooks, 3.5 million apps downloaded

As part of the iPhone 4.0 sneak preview event today, Steve Jobs announced some numbers about iPad sell-through to date (meaning Saturday to Thursday):

450,000 iPads were sold. Best Buy was out of stock and Apple Retail was selling them as fast as they could get them.
600,000 iBooks downloaded (which includes free Project Gutenberg titles, no doubt).
3.5 million iPad apps download (ditto free apps).

Initial surge and early adoption or not, all in less than a week on the market has to be termed a success.

Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.