HP released quite a few tablets during 2013, including the Slate 7, Slate8 Pro and Slate10HD. It looks like Hewlett-Packard plans to continue pumping the marketplace full of slates in 2014, as a new leak has revealed a some unannounced HP-branded tablets. A new report from @evleaks contains images of previously-unseen HP tablets. Included in the batch of five shots are the fronts of black and white devices, the red backside of a unit with a Beats Audio tattoo, and then two images of another tablet painted in silver and gold hues.