Got a $50 gift certificate from Amazon.com so I purchased this GPS mount kit... It is a lot of messing around to try and find the stores in Amazon.com that will ship to Canada (couldn't use the gift card on Amazon.ca).
The mount looks pretty good! Now I can tell my speed!
I'm worried about breaking it but time will tell...
Here it is with my beefy GPS case:
Here is the waterproof setup:
I also ordered the smartphone mount because I wanted the extra handlebar mount for my other bike (all three are interchangeable):
Could use the iPhone GPS in a pinch...