The Genius Bars at Apple Stores are now in some cases replacing black iPhone 4s with with equivalent iPhone 4S models, 9to5Mac claims. Recently it was said that Geniuses were replacing broken white, GSM 16GB iPhone 4s with 4S units instead, owing to shortages of the former. As of earlier this week though, Apple is said to have "almost" caught up with demand for white 16GB iPhone 4s, but developed new constraints involving black 16 and 32GB 4s.
