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What are some (non-Christmas tree) conifers good for planting in the average size residential landscape?

Bald cypress and dawn redwood are good deciduous conifers. If you prefer large pyramidal conifers, the Serbian spruce is great. Compact cultivars are available. Oriental Spruce and Colorado blue spruce, especially the smaller cultivar 'Globosa' are nice.

Dwarf forms of Norway spruce, 'Nidiformis' and 'Pumila' are also good.

Swiss stone pine is a super landscape pine. There are also many good cultivars of Canadian hemlock, which tolerates some shade.

False Cypress and Alaskan Cedar are excellent plants. Hinoki Falsecypress 'Filicoides' and 'Nana Gracilis' are nice small cultivars. Japanese Falsecypress 'Filifera' and 'Flilfera Aurea' are nice thread leaf forms.

You can see plants at their mature size by visiting an arboretum where the plants are labeled. Good arboretums include Mount Airy Arboretum, Spring Grove Cemetery and Arboretum and Rowe Arboretum. If you are looking for dwarf conifers, Rowe is a great place to visit.