A preferential system as proposed here (Condorcet/Ranked Pairs), while not PR, solves many problems of FPTP that drive many to ask for PR in the first place.
But, for those who are nevertheless persuaded that PR is still the desired end game, it should be realized that even when we elect some portion of our legislative body in a proportional way, there are still times when a single-member Ranked-Pairs election would best serve, such as for by-elections, or other elections to single offices, where there no scope for a PR decision.
There are even proportional systems, like MMPR, having a core FPTP component, that would be hugely strengthened by replacing this FPTP core with Ranked Pairs, or some other Condorcet approach.
