Ruger has indeed made birdshead gripped Vaqueros, not sure exactly what they offer now. You might find their web sight and check itn out.
Whle a Colt is, well......., a Colt, they have yet to offer a birdshead gripped revovler. And certainly there is pride of ownership of a Colt, and it is a work of craftsmanship, when it comes to bullets on target, it is very hard to tell the difference between Ruger, Colt, and Uberti.
As long as you stay within these lines, find the gun that suits your hand the best.