On one hand, it's just another iPad rumor. On the other, there's an interesting wrinkle here that hasn't been confirmed -- let alone talked about seriously -- in past reports. Bloomberg is reporting that the iPad 3 will go on sale as early as March, boasting a higher-resolution screen, a speedier processor and support for "next-generation wireless networks." According to the all-common "unnamed sources," the outfit's manufacturing partners are purportedly "ramping up production" of the device this month, with full volume to be hit by Februa
