Mike Rayfield, the general manager of NVIDIA's mobile unit, sat down for a lengthy -- if somewhat restrained -- chat with Hexus recently, and he had some fairly interesting things to say about his company's Tegra strategy. The discussion mostly consists of generalities about the the roadmap for the high-power, low-weight chipset, but it takes a more interesting turn when Rayfield goes into detail on the types of devices we can expect to see in the near future. At about two minutes into the conversation, there's mention of a "media pad," which prompts some further inquiry from the interviewer. Rayfield goes on to describe the device as a "3G capable touchpad" ranging in size from 7- to 13-inches. Now what's notable about the