Canada isn't like a third world country somewhere. I would be inclined to trust the Canadian pharmacy you're considering. Here's an about.com link discussing the use of online pharmacies:
You mentioned CIPA certiified...here's information about what that's all about.
From what I read there, it sounds as if it would be a perfect alternative. Check it out!
I'm glad you asked the question, because I'm likely to follow your lead and start getting some of my meds there, too! We live in NYS just south of the Canadian border, so it doesn't seem all that foreign to me!
Good luck! Let us know how it goes.
Words of wisdom by Eckhart Tolle:
"Whatever you fight, you strengthen, and what you resist, persists.”
“Worry pretends to be necessary but serves no useful purpose”
“Accept - then act. Whatever the present moment contains, accept it as if you had chosen it. Always work with it, not against it.”