I have also asked GK to show in the timeout notification email, the wall clock time of the timeout, as opposed to the time of the email in the subject line and the (rounded) duration in the body. I need to know exactly what time my flag will fall! Even on the board display, when you get down to an hour, the board just says "1 hour" and I never know if the 'flag' is about to fall and so I rush the move.
Response from GK: "We've never considered showing the exact time until which you have to make your move as the vast majority of players do not wait until the very last minute to make their moves, so 'hourly' resolution is usually enough"
So basically, "just make your move well ahead of time, don't use your time limit and you'll have no problem due to not knowing exactly when the timeout will happen".
I have had too many good, and important games spoiled by timeout. In fact I just won a game due to it that I did not deserve to, the position was not won for me. I would continue this game if i had the choice.
I have also proposed some modifications, such as limiting the use of it (as mentioned above, per game, per time period etc). I think it should be possible to configure the contingent to avoid the problems. How about this:
The deadline of the contingent move is HALF OF THE TIME LEFT on the clock as of when the move is entered. This addresses the abuse factor and the prolongation factor, and exacts a cost to the player to get the safety benefit of the contingent move: you have to give up half what is on your clock to use it. Maybe this might even tend to speed up the games of players that often get down to the wire.