i've kind of gotten used to adjusting legs, but will probably end up accepting the extra weight of a leveling base
The RRS leveling base is quite light ~ 320 gms. Weight with attached 80mm lever clamp is ~500 gms. With attached PCL-1 clamp, 640 gms. The weight of standard base + BH-55 ball head and lever clamp is 1065 gms.
As a point of interest, I stacked a lever clamp, a PCL-1 with plate and a nodal rail on the leveling base and after leveling the base, all of the other components were also dead level. Precise machining by RRS, I guess.