The only consolation for any sympathetic Canadian readers is that it will be noticable worse than the US program in that the seller will be responsible for loss or damage all the way to the buyer's door.
So, a word of warning, those better priced British deals may dry up as UK sellers who do not opt out will be opted in.
This starts Sept 14th, so keep an eye out.
MODS Please do not blend this in with the US GSP related posts.