It's been a bit of a unicorn since making a quick appearance at MIX, but we just got the chance to go hands-on with Samsung's Omnia i8910-based Windows Phone 7 prototype phone. Interestingly, we were told that this hardware will never be released to market -- it's just for testing purposes right now. That testing is going quite well, as far as we can see -- Microsoft's people are starting to carry WP7 devices as their personal phones
