A detailed comparison of a standard silvia with a pid controlled silvia can be found on the following web site. The change you are finding in milk may be due to the increased steam power and a need to change technique. Auber instruments, 730 culworth manor, alpharetta, ga 30022 email. Necchi silvia maximatic 586 manual dexterity panelever. I would say the shots taste about the same or slightly better.