GG, I think you'll find that there are two different versions of the Valier. The early ones were fairly heavy (for 20ga) guns with 3" chambers. The more recent ones are 2 3/4", and the weight is closer to what many people would like to see in a 20ga game gun. Writer friend had one of the early ones for field test. Showed it to me when we were hunting pheasants together, asked me what I thought. I told him it looked and seemed to handle pretty decent for a 12ga game gun. Then he told me it was a 20.
At $3,000, Valiers may sell. They won't sell very many at $5,000, because they're bumping heads with Spanish sidelocks with established track records.