Word is that scenario 2 is by far the most popular plan based of polls septa has done.

When the R6 runs, you can get from Manayunk station to Market east in less then 20 minutes if there's no hold ups, and 25 with moderate hold ups.

That's on par with trolleys from deeper in west Philly getting to 13th st. Except the added benefit of 0 car traffic.