Thanks for the replies bigguy and SMF.
However, I need a little more recent recon as I heard they closed down sometime in February (?) but were hoping to reopen. From what I read there were issues with the cost of the rent even thought the place was quite popular. We're going sometime in the late summer.
Yep, I wasn't holding my breathe they'd have an all you can eat deal at the one in Montreal. When I was in Hong Kong in 2000, the Marché had an all you can eat special during limited times. I forget if it was only certain days and/or between certain hours (after 9pm?)
I'll have to check out the food court at Garre Centrale.