See this announcement from October 22:
http://www.qantas.com.au/agents/dyn/qf/news/200910/1050
Qantas Introduces R Class for International Premium Economy 22 October 2009
Effective 04 November 2009, Qantas will introduce the R inventory class for use in the International Premium Economy Cabin for departures on or after Monday 16 November 2009.
R class will be inventory controlled and sit between W class and T class.
T class year round fares will move to R class. T class will be used for tactical fares as required. ...
See here from yesterday:
http://www.qantas.com.au/agents/dyn/qf/news/200911/1108
International Premium Economy Fares Update 03 November 2009
The following Premium Economy fares have been released for sale effective 04 November 2009:
...
Australia to UK / Europe Premium Economy Super Saver OW/RT Excursion Fares (QF/BA) (R*SS1Y/ R*SSOW)
- QF R class fare introduced for Travel from 16Nov09
- BA E class fare introduced for Travel from 16Nov09
- Existing T class fares, travel end 15Nov09.