If you think you've seen Native Union's new MM02t ($60) before, that's not a surprise: the core of this new handset is the company's previously-released MM02, which added a modern-looking but traditional handset to Apple's iPhones. New in the MM02t version is a large passive resting area for a tablet, possibly with enough spare room to accommodate an iPhone on the side; this model boasts "two-line" support, with twin retracting cables so that you…