Well... I don't actually see a wireframe thingy - PhilC's site shows one, but as its a set for V2, I figured the screenshot shows an older version of Poser than mine, so I thought nothing of it. When I load the Leia Set, it just looks to be floating in the right places - except for the loincloth, which seems to rotated on its x axis by around 80 degrees.  When I load V4 (with Morphs++) I conform the figures to my new V4 figure. The metal bra is in roughly the right place, the other props and hair and chain figures need a little tweaking, and when I conform the loincloth it is exactly right.
As for whether it is conforming or not, well - I still don't really understand that term, sorry!

Perp