The Commonwealth Bank has an offer for even cheaper prices for certain magazine subscriptions from magazines4students. You dont have to be a commonwealth customer to take advantage, but of course the usual restrictions about being a student etc to buy anything from M4S apply. Just enter the applicable codes at checkout.
BRW 1 yr
Cover Price $381
M4S Price $160
Commonwealth Price $120
Code: CB223
The Economist 6 months
Cover Price $275
M4S Price $130
Commonwealth Price $99
Code: CB224
Fortune 13 issues
Cover Price $165
M4S Price $75
Commonwealth Price $49
Code: CB225
National Geographic 1 year
Cover Price $132
M4S Price $45
Commonwealth Price $39
Code: CB228
Monument 1 year
Cover Price $111
M4S Price $56
Commonwealth Price $49
Code: CB227
Time 9 months
Cover Price $253
M4S Price $90
Commonwealth Price $69
Code: CB226
Popular Science 1 year
Cover Price $119
M4S Price $69
Commonwealth Price $55
Code: CB229
Men's Health 1 year
Cover Price $107
M4S Price $69
Commonwealth Price $59
Code: CB234
Shop Till You Drop 1 year
Cover Price $91
M4S Price $57.95
Commonwealth Price $45
Code: CB235
AFR Smart Investor 1 year
Cover Price $95
M4S Price $69
Commonwealth Price $59
Code: CB232
Australian Geographic 6 issues (PDF had a typo. Says 12 issues but tested code myself it only applies to 6 issues)
Cover Price $90
M4S Price $49.95
Commonwealth Price $40
Code: CB233
Top Gear 1 year
Cover Price $107.40
M4S Price $74.95
Commonwealth Price $59
Code: CB236
The economist digital edition is an excellent option instead if you have an ipad. Its $126.99 USD (you need to lie about your location otherwise its $189 AUD.