Harley Mike in Sarnia got a sweet tank from Great Lakes Aquariums in Michigan. That might be a good place to look into since you are so close to the border, you could potentially drive across and pick it up yourself. Otherwise I would contact Big Als London and get them to quote you for a custom tank. They have a builder out in Alberta who does great work - I just setup a custom 72x30x24 that I got from them. I had first looked into getting a Marineland 300DD but this was both closer to the dimensions I wanted, has the exact overflow system that I wanted, and came in at nearly half the cost of the Marineland. So I would seriously strongly advise calling them, I'm quite sure that you will be shocked with the price (in a good way).