Probably not the ideal place to post but I think that this would be lost in the Thrifty thread:
http://www.thrifty.com.au/specials/17aday.aspx

Thrifty currently have a special on in Oz for 5 day only rentals at $17/day off airport and $20/day on Airport which is a pretty good deal for car rental in Australia - price includes all fees/surcharges and standard liability.

An extra special deal from Thrifty Car Rental!
Thrifty Car Rental can help you on your way, with our very special deal of $17 a day when you rent for 5 days from our non-airport locations and $20 a day at airport locations.

Rent a Toyota Yaris (or similar) through to a Hyundai i30 Hatch (or similar) or even hire the all new Toyota Corolla (or similar). Whatever your choice, Thrifty can help.

Available from selected national locations, simply book your car hire prior to the 8th of April 2013 to take advantage of this extra special offer from Thrifty.

Book now and pay on pick up!

Terms and conditions
•Offer only valid for booked rentals from 1st March to 8th of April 2013 and completed rentals from 1st March 2013 to 30th June 2012. A blackout period applies from 28th March to 1st April 2013.
•Rent for a minimum & maximum of 5 days and pay a daily rate of $17 a day only available at selected non-airport locations and a daily rate of $20 a day only available at selected airport locations.
•Daily rate includes, GST, Vehicle registration fee, standard cover, airport recovery fee (where applicable) and the administration fee.
•Daily rate does not include underage surcharge, credit card fee or optional extras such as baby seats, GPS.
•Available at selected locations and only available only for bookings online at Thrifty.com.au.
•Offer available for selected vehicles up to ICAR car class