I use dynamic clothing frequently and would prefer to use it all the time. BUT, dynamic cloth props lack seams, hems, piping, buttons, pockets and other features that make clothing look realistic. It's fine for a nightgown or a monk's robe, but until we start seeing clothing props that look like actual clothing, conforming clothing will reign supreme.

Having said this, many of my characters are not proportioned in a way that allows conforming cloth props to work very well. Bosomy females, in particular, often look completely ridiculous in conforming clothes. Muscular males have problems with poke-through, too. The newer versions of Poser (I have Poser Pro 2014) are better, but it's always a trade-off with me.

I have a copy of Marvelous Designer, but I've not taken the time to learn it . . .