For my purposes there's not much of a "versus." I use both. Because content loads more quickly and renders tend to be faster, I use D|S for quick "test" renders and for final renders that don't rely on Poser 6 features. I love those Poser 6 features, though, so most of my rendering still occurs in P6. I've come to like the D|S integration in Bryce. It's a bit "iffy" and problematic at times, but a heck of a lot easier, when it works well, than prior methods of importing non-native content into Bryce. The D|S base module simply isn't robust enough to compete with Poser 6. If there must be a "versus," Poser wins, unless one can't afford it. However, D|S has its own charms and advantages, so again, it can be useful to have both handy.