Techgage posted a review of ASUS' feature-packed PG221 monitor.
A quote from the article:
ASUS PG221 22-inch Wide-Screen Review
Smaller displays don't need to lack features, and ASUS proves this with their PG221 22-inch wide-screen. It boasts such specs as 2ms GTG, 2000:1 and stellar design. Where its unique though, is with it's large subwoofer. Yes, we said subwoofer! Do the features make up for it's higher price?
ASUS PG221 22-inch Wide-Screen Review