After some months investigating solutions I learned a lot about other CAM systems and how they do things. I also learned some nasty marketing tactics employed by CAx vendors and that sometimes the things are wrapped with a nice cover but in the core they are all alike.
That being said, I created a small video showing Creo Elements/Pro 5 profile turning toolpaths applied in a complex groove so that you can get the so called "Trochoidal Turning" effect such as shown in Unigraphics NX and Sandvik video. Please check this out at Sandvik website:
http://www.myyellowcoat.com/solutions-machining/cam-programming/trochoidal-tu...
http://qstream-wm.qbrick.com/01247/tooling/Sandvik_Coromant/Turning/Trochoida...
This video shows how to make this in Pro/NC or Creo Elements/Pro. It can be done in all Pro/NC versions as well. "Trochoidal Turning" in Siemens NX is NOT a dedicated toolpath as it seems but rather a series of profiles offseted with reversed lead in / lead out moves / cut directions.
Not being able to upload it here... get an error... so watch it here:
http://youtu.be/FPERyMN54g0?hd=1
Enjoy it!
Daniel