This is what UG is capable of. Multiple intersecting conic
     surfaces
     > and blends. The surfacing in this part would be a
     challenge even in Rhino.
     > The detail in the sculpted parting line impossible in
     most mid range solid
     > modeling packages. AutoCAD..ha. good luck. UG is a
     powerful package I hate
     > to give it up but oh well. The only thing that comes
     close is maybe Catia

UGH, Monty, I think you could do this part in Rhino OR SolidWorks.
I have used most of the major cad packages SDRC Ideas, PE, and
Catia and I believe Catia is the worst of all of them. When it comes
right down to it it depends on what you want to do, AND how you
learned to do it. This is like the priming arguement on alclad
aluminum planes. You ask 5 people you get 5 different answers.
SolidWorks is getting better, though the GUI is NOT as good as
Rhino, or Anvil just to name a couple.
 Group if you want a good price on a PC based cad system you
need to be on the lookout for the occational specials, and ready to
buy when they happen. I recently bought the newest SolidWorks
(I need interconnectability) Office for 3k out the door. This
includes
a limited fea package. Rhino can be had for less, and I believe I
would use it if I wasn't doing drawings for sombody else.
Bill Jepson

 
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