RIM has been promising an HSPA+ capable BlackBerry Playbook for over a year, and it looks like it's now one step closer to actually being released. A tablet from Research in Motion recently made its way through the FCC's approval process and, if the test reports are any indication, it's a tablet with built-in HSPA+ connectivity. Unfortunately, the FCC hasn't revealed much else just yet, but earlier rumors have suggested that the new tablet will also see speed bump of another sort: an upgrade to a 1.5GHz dual-core processor, as well as the addition of NFC. A leaked RIM roadmap that surfaced earlier this year also suggested th
