As a sequel of Little review: white undercoat, I'm here going to let you know my experience with Vallejo Undercoat. In that review I wrote I wanted to test the Vallejo undercoat.
I bought the white, grey and black primer:
I'm very happy with these primers and there're from now my number ones. I find I've a little more control then the Citadel ones.
I tried them on three old test models:
And finally on my Lake-Town Militia Swordsmen: