GPS (x2) - on
autopilot - on except for takeoff and landing
TCAS - on
VOR/DME as backup and for ILS
eyes outside of the cockpit (except when in IMC)
I carry a spare handheld VHF radio, EPIRB and handheld GPS
You really mustn't feel guilty about relying on new fangled technology.
Ded reckoning is for the PPL solo X-C.
SB