Thanks Selmax.
You might want to look into TraderDealer.com.au . if it was not for the credit limit i would have left comsec long ago. i have not used traderdealer myself, but intend to shift to them soon, because as per calculation i would be paying 1/4 of brokerage as i am to comsec (that is in thousands), just not sure enough, as td are not too big.
thanks again.