Stormchaser hit the nail on the head!

I think the key to everything is the lighting and render settings.
If these are not set right then having a good texture wih bump/displacement is going to look -OK Fine, but not WOW!

Now if there were a formula to those great settings other than TRIAL AND ERROR!

"Few are agreeable in conversation, because each thinks more of what he intends to say than that of what others are saying, and listens no more when he himself has a chance to speak." - Francois de la Rochefoucauld

Intel Core i7 920, 24GB RAM, GeForce GTX 1050 4GB video, 6TB HDD space
Poser 12: Inches (Poser(PC) user since 1 and the floppies/manual to prove it!)