Article in the Leader post today said that the league was on the verge of formally announcing instant replay at their winter meetings in February. Each team would get one challenge per half in addition to their timeout and would not include challenges for illegal contact or pass interference.
They also eluded to the fact all 81 games are televised this year and that instant replay, even though not perfect, can be a tool to aid the refs in tough decisions.
The CFL will also only use television coverage to make their decision and not rely on network facilities.
This is great news for the CFL, it doesn't always work but it helps to be able to take a second look at big plays that impact the game. It will also help the integrity of the game as those big plays that may have been called wrong can then be corrected.