Apple's iPad 2 post-PC device will go on sale in 25 additional countries this Friday, March 25.

iPad 2 will be available at Apple retail stores and select Apple Authorized Resellers at 5 p.m. local time, and online through the Apple Store (www.apple.com) beginning at 1 a.m. Apple today also announced that all models of iPad 2 will be available in Hong Kong, Korea, Singapore and additional countries in April.

iPad 2 features an entirely new design that is 33 percent thinner and up to 15 percent lighter than the original iPad, while maintaining the same 9.7-inch LED-backlit LCD screen. iPad 2 features Apple?s new dual-core A5 processor and now includes two cameras, a front-facing VGA camera for FaceTime and Photo Booth, and a rear-facing camera that captures 720p HD video, bringing the FaceTime feature to iPad users for the first time. The device delivers up to 10 hours of battery life.

iPad 2 with Wi-Fi will be available in Australia, Austria, Belgium, Canada, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Mexico, Netherlands, New Zealand, Norway, Poland, Portugal, Spain, Sweden, Switzerland and the UK on March 25 for a suggested retail price of $499 (US) for the 16GB model, $599 (US) for the 32GB model, $699 (US) the 64GB model. iPad 2 with Wi-Fi + 3G will be available for a suggested retail price of $629 (US) for the 16GB model, $729 (US) for the 32GB model and $829 (US) for the 64GB model. iPad 2 will be available in Hong Kong, Korea, Singapore and additional countries in April, and in many more countries around the world in the coming months.

RIM's BlackBerry PlayBook tablet computer will also go on sale in the U.S. on April 19 through retailers including Best Buy, as it seeks to compete with Apple?s iPad 2.

A version with 16 gigabytes of memory will cost $499, a 32- gigabyte model will retail for $599 and a version with 64 gigabytes will cost $699, RIM and Best Buy said today in a statement. Best Buy said it will start accepting orders today.