Mobile-Review have posted a great preview of a prototype Omnia HD they were lucky enough to get hold off. There preview covers many parts of the in depth, even comparing the AMOLED screen to another phones.
The Omnia HD (top) has a stunning 3.7' AMOLED screen
The picture quality put up by the Omnia HD is mind-blowing, as it delivers exactly what you’d expect from a top-notch AMOLED screen. Not only are its colors juicy and natural, the top brightness settings can make your eyes hurt, and even when you slide the brightness bar all the way down, it beats TFT screens effortlessly. We pitted it against the Apple Touch and Nokia 5800 with highest display brightness levels, while the Omnia HD’s settings were just above the minimum and it still looked superior. If you really spend a lot of time browsing images and watching videos on your mobile phone, then the new Omnia is probably your best bet primarily because of its dazzling display
The large keypad makes typing a breeze
All thanks to its larger display, the Omnia HD’s virtual keyboard is so much easier to handle, in fact with the QWERTY keyboard on the screen it feels more like a portable thumbboard rather than a mobile phone.
Please check out the full review its worth a look, but remember thats an unfinished prototype product they are reviewing