Current update, as of today's exchange rates, which doesn't account for any charges your bank may add for converting, here's the world subscription prices:
AUD 299.88 US 276.97 UK 164.44 CA 300.68
UK 179.00 US 301.03 CA 327.27 AUD 325.90
CA 299.40 US 275.42 UK 163.76 AUD 298.15
US 389.00 UK 231.27 CA 422.78 AUD 429.05