While RIM's current fortunes are making plenty of execs nervously tug at their ties, there's still plenty of people cheerfully tapping away on BlackBerry keyboards -- especially in the Middle East. It makes at least some sense, then, to launch a big ole' flagship shop in Dubai. Teaming up with local carrier Axiom Telecom, the handset manufacturer is in the final negotiation stages for a 1,500 square-foot store. According to RIM, it's the first of several planned for the region and should mean plenty of places to snap up one of those (reassuringly?) expensiv