Which would you choose, and why?

Crap, I thought this was going to come up in the "Ibanking Discussion" forum.

Anyways, this is for SA positions in Toronto.

I prefer the culture and people at the boutique, but my main concern is to get into PE, Birch Hill/Edgestone calibre, after my stint as well as an MBA from the states.

Thanks.

BMO rules in canada