I use fireworks and find it great for simple vector work, tweaking pics and optimisation. I've never done much print, and have put off photoshop and illustrator so far, but I'm limewiring some total training for illustrator.
I don't see any reason for adobe to incorporate fireworks vector functionality into photoshop when illustrator is the vector powerhouse, it would be as stupid as incorporating fireworks raster support into illustrator when adobe have photoshop. Basically I think it'll be binned, their two flagships render it useless...