The iPad 2 line at the Walden Galleria Apple Store in BuffaloApple's iPad 2 begins shipping at 5PM Eastern time today in US retail stores as well as Best Buy, AT&T and Verizon stores. The updated tablet, which features dual-cameras, an updated 1GHz A5 dual-core processor, improved graphics performance,a gyroscope and a 33 per cent thinner design than the previous model while maintaining the same price point is expected to be a popular device. Apple has also started accepting online orders to US buyers. The iPad 2 is expected to come to Canada on March 25.