You're quite welcome
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I'm not quite sure how late they run as I don't attend (Kitchener to Toronto would be quite the leap since we don't have a vehicle and I get up at 4:30 am!)
I'm assuming that they do run until at least 10:00, probably later, with folks coming and going the whole time. I have sampled the Imperial's food and found it quite good.
They have a yahoo group if you'd like the link PM me and I'll send it along to you. Same for anyone else who would like the link
. I think it's Toronto Poly if you would rather do a search for it.