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Sorry, I couldn't resist, please don't take it seriously, but I'm glad to see it's not only Vue dying on your machine! :-) So, could it be that the problems you have with Vue can be at least partially due to Apple and not all to e-on? :-)

I think not, because I have many examples of applications that work very well on Mac, not all on 3D  : Shade, Reason, Live, EyeTV (TNT TV).  I use them not every day but very often.
But you're right ;) Poser is poorly integrated in Mac OS. Sometimes it hangs while launching, the menu gets wrong. I think many old applications (from MacOS9) have not beeing ported in the "art rules", just to  make them work asap. Those applications have a background to throw away and restart on clear basis.
Poser is an exemple, Vue is another example with an additional ugly window system, and I think Hexagon is also not well integrated and crashes often.
MacOS is not a bad system, there are just less good developpers because less MacOS machine exist.
I'm afraid I've been too serious here ;)