The house yeast you use depends on what you make. Some are going to work better for hop-centric beers and others for malt-centric ones. I favor WLP011 for clean beers, but I wouldn't choose it if I made primarily hop-forward beers. It's a great choice for malty ales and it's the closest thing I have to a house ale yeast.
W34/70 dry lager yeast. I've heard it's WY2124/WLP830. I've fermented with it from 50F all the way up to 68F, lagers to clean ale styles. Throws minimal esters at 68F, less than S-05, and makes a better ale than any clean ale yeasts (to my palate).I've fermented most clean lager styles with it--pils, dunkel, schwarzbier, as well as IPA/APA, porter, wheat beer, fruit beer.I don't like it for Czech lager though--too clean.
Wy2124 and WLP830 make great clean yeasts at cool ale temperatures. They would be great choices for hop-centric beers, in place of 001/US56. Probably cleaner and better flocking and similarly fool-proof. I've also used them for Pale Ales, Brown Ales and Porters.
WLP051 is a great clean ale yeast without the flocculation problems of US56 and better flavor, I feel. I particularly like they way it compliments the traditional American hop flavors.