Just saw this in case you're thinking of a Canon DSLR.
http://canon.com.au/about/press_room/story_1569.html
CASH BACK OPTIONS
Any Canon DSLR plus-
EF 24 -105mm f/4L IS USM $500 C/Back
EF-S 10-22mm f/3.5-4.5 USM $350 C/Back
EF 17-40mm f/4L USM $350 C/Back
EF 70-200mm f/4L USM $350 C/Back
EF-S 17-85mm f/4-5.6 IS USM $300 C/Back
EF-S 60mm f/2.8 Macro USM $200 C/Back
Speedlite 580EX $200 C/Back
Speedlite 430EX $125 C/Back
Battery Grip BG-E4 $125 C/Back
Battery Grip BG-E2 $75 C/Back
Battery Grip BG-E3 $75 C/Back
Until end of the year.