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BlackBerry 10 is fast, intuitive and far more modern than the dated OS it replaces. But, its tardiness and limited selection of quality apps make it a bit of a hard sell for those already on iOS, Android or Windows Phone.

it’s a really great job for a 1.0 release — and a big sigh of relief for the 80 million BlackBerry fans who still love the satisfying little details of the BlackBerry Way.

BlackBerry lovers who can get past the rookie mistakes will find a polished-looking OS that's packed with interesting and useful features, but happy Android and iOS users won't find a reason to switch.

The first new BlackBerry OS in years, BB 10 stays focused on messaging and multitasking, but can't match the competition on apps, games, media or configurability.

The new software does offer something different than the others, but overall it (the maps and other features like voice control) and its app store lack the robustness of Apple's, Google's and even Microsoft's offerings.

BlackBerry 10 maintains some of the core themes that got so many users addicted to their "CrackBerries," while taking full advantage of the latest hardware and Web technologies.

It's a new beginning, a new way of using your BlackBerry phone. That's a fairly accurate way of describing the first 24 hours of using BB10, although you'll soon start to notice a mish-mash of features from previous BlackBerry operating systems, and other operating systems too.

Although the BlackBerry 10 operating system is in development, we must say that we were impressed with how smooth and slick the interface felt under out fingers – seamlessly zipping around without fuss.

From RIM’s voice recognition assistant (think Siri), to the BlackBerry Hub, to BlackBerry’s new NFC features and everything in between, we have your exclusive first comprehensive look at BlackBerry 10.