The 15-24kg 7' Livefibre model is very poular in the SEQ area for bottom bouncing. It is a pretty versatile stick with a light tip and plenty of low down grunt. You can pick them up for around the $200.00 mark if you shop around.
Another option is a jig stick such as the Silstar Crystal blue 6' 15-24kg. The are light and strong with a much different action to the livefibres