I am interested in getting ultra fine detail. The cm-b has the smaller needle nozzle configuration but I like the cup size and the Mac valve of the c-plus. I own an hp-ch and am really happy with it. Is the cm-b's level of detail noticeably better than the c-plus? I have heard that the cm-b clogs easier with the.18 needle than the cm-c or C plus. Generally I hear that these brushes are the best detail brushes available, but since they are also so expensive I want to make sure I get the one that will work best for me. Right now I am leaning towards finer detail if the difference is easily noticeable. Does anyone know if you can buy the cm c or c plus with the smaller matched head assembly out of the box?