Using Zbrush For Highpoly Detail

NURBS

I'm trying to get into Zbrush for the first time and I'm wanting to sculpt some detail into a wooden gun stock I'm making. I made the shape of the stock in Maya and I've brought it into Zbrush but I can't figure out how to smooth it so I can start sculpting details in it. Exactly what steps do I take to do this? How would you guys, who are actually good with Zbrush, take this lowpoly mesh and turn it into something sculptable?

This is my stock.

Kanni3d

Crease by polygroup, subdivide a bunch of times, dynamesh to about 2-4 million, start sculpting

NURBS

That worked, thank you!

Ruz

yuo don't want those long polystrips  equalise them so the polys are mainly square or it won't sculpt very well