Well the amount of data being passed between you and the server while you are sitting in the lobby is so miniscule by current standards, it's conceivable that even a slight boost in speed could wipe out the tiny bit of ping lag you were seeing.
well... I saw my first ping last night (~600 ms)... assuming it was an Aussie on dial-up or something. So I guess I CAN see pings... perhaps my new connection is far better than I originally thought it to be, although the speedtest.net tests are les