If I'm taking a long time to make a move its because I've got a lot on my mind and I'm busy with different things - check my email fairly regularly though so don't be shy about sending me a move reminder.
Tournament Entry Rating is calculated by the formula (CurrentRating + HighestRating) / 2. The entry rating will never drop to more than 100 points below your Highest Rating.
Rated stats are updated within 24 hours of the last completed rated game.