Your list looks great. Recommendations by others are also good, especially RiNo.
Only other suggestions are Cherry Creek (below), Colfax, and South Lincoln/Broadway. There are a bunch of old streetcar commercial nodes around town that may be useful (South Pearl, Tennyson, Cap Hill). Cherry Creek is probably the second largest urban node outside of the downtown core/neighborhoods and provides some interesting context.
Photo from
DenverInfill -
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