Can’t decide whether to buy a tablet, PC or laptop? HP will make it easier for you. At an even in Beijing the company has just announced an all-in-one Android powered tablet that has a potential to satisfy the needs of even the most demanding users. The HP Slate 21 AIO is HP’s another step further into Android world. The device comes with specifics that clearly suggest that it is intended for desktop use. The tablet will be available in the US sometime in September. Prices should start at $399.