I've been to this place probably over 100 times and it's always been my go-to for poutine.
It's located near a high school so I don't recommend going during lunchtime on weekdays. If you go at any other time, it'll be a reasonable 5 minute wait for poutine.
Almost everyone goes for their poutine. The serving sizes and taste are amazing and the prices are cheap too. Honestly I've had poutine from a lot of places (NY Fries, Smokes Poutinerrie, etc) but this place is still my favourite due to the taste and price of the food.
As for the place itself, it's small and a bit old-school. There aren't many places to sit inside so I recommend just taking it to go. In fact, the food is all served in to-go boxes for that purpose.
The owners changed around 2-3 years ago but they've always been so nice and friendly.