I definitely love Cinema 4D.
For me it’s one of the best 3D applications available. Unfortunately there are only a few good tutorials around but if you want to learn something i suggest, as always, to use DeviantArt.

Here you have a list of 30 basic and advanced tutorials for modelling objects and creating abstract subjects.
Enjoy

P.S. the last tutorial is not in english (german) but it’s cool and you have a lot of screenshots…

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