I've been with iinet for a decade now and the quality of the adsl service has been pretty crap lately, with problems, slow downloads, or complete loss of service.
http://www.speedtest.net/ also shows it to have some of the slowest download speeds in sydney of the major ISP's:
TOP ISP'S
ISP'S 16 ISP'S IN SYDNEY
- 1.Optus
Mbps26.14
- 2.Telcoinabox Pty Ltd
Mbps22.33
- 3.TPG Internet
Mbps20.92
- 4.Exetel
Mbps15.86
- 5.Telstra
Mbps14.88
- 6.Vodafone Australia
Mbps14.2
- 7.Xponent, LLC
Mbps12.65
- 8.iiNet
Mbps11.95
- 9.Pacnet Services (Japan) Corp.
Mbps9.28
- 10.M2 Telecommunications Group
Mbps8.86
- 11.iPrimus
Mbps8.58
- 12.iPrimus
Mbps7.3
- 13.Dodo
Mbps6.82
- 14.SpinTel
Mbps5.89
- 15.ACTIV8ME
Mbps5.88
- 16.vividwireless
Mbp