Any better ISP's?

My ISP is Westnet, but it's pretty slow compared to most people's connections.
http://www.speedtest.net/result/883467764.png That's my speedtest results (Wireless)I think that's my current plan.Are there any faster ISP plans available for $50 or under a month? (I live in Western Australia)

Wow, for my ISP, I get faster Internet speeds and more bandwidth than your for less money :)

Yeah, most probably :(
Any suggestions?