It is simular but not the same. It has more paper centering slots that accept the "European" sizes (five in total) and the blade actuators are "square boxes" that lock and need to be pressed on the sides for movement. It's this one:
The Omega looks to be a few dollars cheaper then the Saunders. Even better. Thanks.
Not sure about the availability in the US, but don't overlook the Beard 4-blade. I have a 20x16 and it's build like a brick... erm, outhouse and a delight to use. Classy kit.