What about changing the high price alarm to this sound:
http://www.youtube.com/watch?v=iFubmEcqtC4
And the low price sound with the combination of these:
http://www.policeinterceptor.com/sounds/555klaxon.wav
http://www.policeinterceptor.com/sounds/555col.wav
http://wikisend.com/download/500652/555klaxon.wav
http://wikisend.com/download/314794/555col.wav
What about using a different tone for the high and low price so we could at least know which way it went?
And, do you have a list of altcoins/markets that are not posted on the "Markets" dropdown list?