Was able to do the drivers side temp probe and valve cover -- one of the valve cover gaskets I received in the head kit was the wrong one so I'll need to get one on Monday from the dealer.
Required valve cover gasket:
Oiled up everything and installed the Valve cover (torque to 106 inch lbs):
Temp probe (15 ft lbs):
Did get the 160* thermostat in (torque to 11 ft lbs -- GM calls this the 'Water Inlet Housing Bolts'):
Also torqued the oil drain plug (18 ft. Lbs) and new oil filter - AC Delco PF48E...
As with anything, sometimes things get in the way of progress -- gotta keep moving forward ;o)
-Don