iOS, the magical, new, revolutionary new operating system for all of apples iDevices has just been given a run down on the iPhone 3GS and the results say that there are a few minor limitations that the 3GS has that will mean that not all new features will work as planned for other devices. You still get notifications, Twitter, Newsstand and all the rest but you dont seem to get the tabbed browsing in safari and photo editing in the camera. At least these arent major like iOS 4's rath on the iPhone 3G. Here is the new iOS 5 in action on the 3GS:
source-engadget
