The Samsung Vibrant 4G, Samsung's latest upgrade from the original Samsung Vibrant is expected to launch on Feb 23, according to this leaked image. This release date may come as a bit of a shock to many, considering that the original Vibrant owners are still awaiting an update for their device to Android 2.2. Then again, we don't really know what the Vibrant 4G is, or what it's rocking, now do we? [via TmoNews]