HELP! Desperately need help finding wedding/reception venue in Toronto!?

Please dont tell me I should've done this earlier (I know, I know) but my fiance and I are desperately seeking a venue in Toronto for our wedding, on ANY SATURDAY between April and August 2012, about 300 guests, a place where they do on-site ceremony.
So far we've contacted Eglington Grand, Liberty Grand, Atlantis, etc. nothing available, but you get the style that we're looking for....


====================
Toronto Limo|Toronto Limousine

Thanks for the recommendation Calavy. I also need to hire best event space nyc for my wedding. Please share some more possible options and try that it should be low budgeted as I am about to exceed the limit of it.