i would like to see a pause button in gameplay, A button to "request" a pause, maybe 4-5 mins max would be useful. If it were setup so that all players in the group had to agree it would prevent any abuse of the feature.
I like the idea. Sometimes you just gotta take a leak, and it would be nice if you could let your other players know what was going on if you hold the round up. Alternately, how about a 2-3 minute break at the turn?