when i first got the gold, i hated it...
it was too bright, and very dominant compared to the other paints i used...
now i've learned how to use it better...
a basic gold recipe would go like this:
P3 Battlefield Brown- basecoat
P3 BB + Rhulic Gold (1 to 1)- layer
P3 Rhulic Gold- layer
P3 Flesh Wash (this has a nice purple/maroon tone to it, and doesn't dry so matte as the GW Leviathan Purple wash)- heavy wash
P3 RG + Vallejo Air Gold (2 to 1)- layer
P3 Flesh Wash medium wash (add a bit of water to the wash)
P3 RG + Vallejo Air Gold (2 to 1)- layer
VA Gold (here is where the gold really starts to pop)- layer
P3 Flesh Wash- light wash (really thin this one down, a few layers give a bit of life to the metal)
VA Aluminium- highlight
i'm finding that i want to be able to get a few brighter, more powerful highlight spots on the gold, which the Aluminium is not giving me, so my next buy will be some of the VA metal medium to use as a pure highlight (or maybe even add a little white to...
i'm sure that Vallejo has plenty of alternatives to any of the P3 colors i use...
the most important part is just to use the pure gold more as a first highlight than a basecoat color...
it may work well as a base for juicing over though, but that is not my style i may have to try it out and see if i like the results

...
best of luck with all your new paints

...
cheers
jah