The so-called first true 7.1 surround sound headset is inching towards vaporware status. Razer's Tiamat 7.1 was originally supposed to land sometime in Q4 of 2011 but, as the holiday season approached, the company regretfully informed potential customers that the gaming gear would not ship until the end of January. Well, it's the 31st and the Tiamat is still no where in sight. In fact, Razer just issued yet another notice of delay on its blog. The compan