As always, there is [Local Bitcoins][1]. 

There are also a few exchanges that [accept CAD deposits more than $100][2]:

 - [MtGox][3]
 - [CaVirtEx][4]
 - [LibertyBit][5] ([Closed][8])

For smaller purchases, there are quicker services at a higher cost:

 - [QuickBT][6]
 - [btcQuick][7]


  [1]: https://localbitcoins.com/
  [2]: http://bitcoincharts.com/markets/currency/CAD.html
  [3]: https://mtgox.com/
  [4]: https://www.cavirtex.com/
  [5]: https://www.libertybit.com/
  [6]: https://www.quickbt.com/
  [7]: https://www.btcquick.com/
  [8]: https://www.libertybit.com/news