The Samsung i760 is a newer version of the i600/i607. The main difference between the cell phones is that the i760 will be a Pocket PC while the others are Smartphone. Another key feature is that it will have a slide out QWERTY Keyboard while the older versions have the QWERTY below the display. Here are some specs:
There is no word on release date as of yet, but hopefully real soon. Let's all keep our fingers crossed that it will be offered in Quad-band!!