It looks like you are doing it right, provided that you are using a tablet and not a mouse, cause if you using a mouse your are doomed. I guess then is a matter of practise, i usually sculp between 5 and 20, then play with the pression you do on the pen. Also make sure that you set up the Mouse Average to a higher value…
Every time I sculpt in zbrush I get that blobby look and even though I have tried many things, masks and what not I get the same bad results. I don't seem to be getting it. I usually start with the no subdivisions, detail as much as possible then go up slowly, but I usually end up going high and not getting good looking…