My coworkers and I occasionally lunch here through the week. It's one of the busiest IHOPs in the world, so we are not usually surprised that the prices are a skosh higher than other locations or that there might be minor delays or waits-generally, it's never been a problem. We decided to go for a late lunch (~1pm) on 8/22, thinking it would go quicker but it was quite disappointing: while the restaurant was maybe half-full, we experienced unfriendly service (except from the young lady that took our initial drink order but she was leaving), slow (and incorrect) refills, and numerous requests for corrected/additional items and for the check.
We will probably go back but this gave us pause -- more understandable when they're swamped, pretty inexcusable when slow like this.