I quickly realized that to own all the breeds I want, I'll need to have a LOT of dogs at once, for the rest of my life. So here's the short list:
Newf
Dobe
Rottie
Great Dane
more rescue mutts
I've been considering something small as a companion for Sierra, as she likes small dogs SO much better than big ones, so a Papillion or a Cavalier. Maybe a Pug or a Boston if I can find the right one. (I really don't like most I've met, but there are a few delightful exceptions).
And of course, if I really start getting into agility, this list will probably shift from big working breeds to something a bit more suitable.