What is the Motorola MB860? It's hard to say for sure, but it could be one of the infamous Tegra 2 tablets that Motorola's been allegedly working on. Ameblo recently discovered that the MB860 had been certified for Bluetooth 2.1 + EDR and dual-band 802.11 a/b/g/n WiFi, and then noticed that the UPnP Forum had attached a curious codename -- Olympus -- to the device. This is where things get fairly fuzzy, but Android and Me recently reported that the Olympus was one of two Motorola tablets in testing -- though it may not be the Stingray, as tha