I realize this is a very subjective question but I haven't shot film in several years and hope someone can bring me up to speed on modern day emulsions and developers

I shoot medium format rollfilm mostly with a SWC, and looking back at some of my old negatives (Ilford Delta 100/D76) they seem a bit grainy...

I'm looking for a low speed / high resolution / fine grained film with rich tonality that I can drum scan to make 40" x 40" carbon pigment prints. Does anyone have a magic combination they are willing to share ?

I've attached a sample of my work to give an idea of what I do.