It started just today,not sure when it ends, but quantities are limited. You can redeem your miles for these Gift cards for just half the miles you usually need.
Future Shop $500 GC:
https://www2.aeroplan.com/mrch/gift-...rodMZ1332.html
Future Shop $100 GC
:https://www2.aeroplan.com/mrch/gift-...rodMZ1337.html
Toys R Us $100 Gift card:
https://www2.aeroplan.com/mrch/gift-...odCC00546.html
HBC $100 GC:
https://www2.aeroplan.com/mrch/gift-...prodMZ533.html
American Express $100 GC:
https://www2.aeroplan.com/mrch/gift-...odCC00838.html
Cineplex movie package:
https://www2.aeroplan.com/mrch/gift-...rodMZ1556.html
Chapters Indigo $50 GC:
https://www2.aeroplan.com/mrch/gift-...prodMZ535.html