Lights: Check!
Rack: Check!
Handlebar bag: Check!
Small panniers: Check!
Rain gear: Check!
Hill climbing legs: Check!

Should I be concerned about my flat land riding buddies? Rocky Mount, NC is sort of level, compared to my neck of the woods here in New London, NH. (Click on the "Terrain" option of the maps to see the topography.)

Tow rope: Check!