Website update rate


I really like the detailed tracks you use on the flight tracking part of the website, the update rate is not the greatest though.

I know position updates create a lot of webserver load, so i wouldn't ask for a blanket increase in update rate, that is your prerogative.

Still if you are actively watching aircraft on approach, a shorter update interval than 20 seconds would be very nice.
Could you implement a button that activates a shorter interval for 5 minutes?

That way if you are not actively watching the server load is soon reduced, but if you are and maybe even listening to ATC, an update interval of maybe 10 seconds would make the experience much better!
(I dream of even shorter update intervals but i don't want to appear greedy :) )