per Samsung's site .. the 2253 is a lower model..
they are listed in order of quality (or so it seems..)
and the 2253 is a few models under the 226
2253:
22” widescreen monitor
Immerse yourself in your digital entertainment. With an ultra-fast 2 ms response time, you’ll experience virtually no blurring when watching movies or playing video games. Add to that an 8000:1 contrast ratio for superior quality color and a 1680x1050 resolution that lets you see the sharpest details, and you’re ready for the ultimate viewing experience. This stylish widescreen monitor was made for you and your lifestyle.
226:
SyncMaster™ 226BW 22" widescreen display
The wide, 16:10 format of SAMSUNG’s 226BW digital/Analog widescreen LCD monitor gives you plenty of room for all your computer applications and multiple images. DC 3000:1 contrast ratio creates crisp, easy-to-view images and gaming graphics, without ghosting or blurring. Complete with Microsoft® Vista® Premium certification and advanced dual interface for both analog digital video signals, the 226BW monitor is future-ready.