Samsung Omnia M
The Samsung Omnia M is a Windows Phone 7.5 smartphone with a relatively large screen that is pitched at the value end of Samsung's range. See

Samsung Omnia Pro 7
One of a batch of Windows Phone 7 devices announced today, the Samsung Omnia Pro 7 features a large display and a powerful processor. Excerpt from:

Samsung Omnia 735
Perhaps one of the last Windows Mobile 6.5.3 handset to be launched, the Samsung Omnia 735 really only appeals to those who are already committed

Samsung Omnia II I8000
The next step up from the original Omnia, the Samsung Omnia II I8000 is a Windows Mobile device with a large touchscreen, GPS, 3.5 data

Samsung Omnia HD (i8910)
Samsung's flagship touchscreen phone, the Samsung Omnia HD unexpectedly switches camps to Symbian from Windows. It's an impressive device that lives up to its "HD"