Bridge: relationships work when we let go of selfishness. As Heidi and I learn to "give up" our own agendas to include the very real needs of our two kids, we discover our capacity for grace and patience for each other increases too.

This is only an addition to your great list. I would start a cell group. Embrace the challenge of starting from scratch with one or two committed friends. Encourage each other to bring others, especially those outside the fringes of the usual 'Christian' circles. Learn by leading and actively discipling others.