Further details regarding the Samsung GT-I8000 have emerged, and it seems that you're looking at the Samsung Omnia II (or Omnia2; the nomenclature isn't decided yet). Packing a 3.7-inch WVGA 800 x 480 touchscreen - that's tipped to use an AMOLED panel - the Omnia II has an 8.1-megapixel camera with dual LED flash and VGA video recording at 30fps.
Connectivity is tipped to include 3G UMTS, WiFi, Bluetooth and miniUSB, while there's also GPS and a microSD card slot. The UI is prompting discussion: some are saying that it's unchanged over previous iterations of Samsung's Windows Mobile TouchWiz overlay, while a video demo said to be of the Omnia II shows a new, cubic arrangement.
Video UI demo after the cut