Best and Worst Changes in Art Direction?

[Signalstar]

Sometimes when a franchise reboots or appears on a new console the developer decides to dramatically change the art direction. Which were good and which were bad?

Some of the best:

Rayman:

to

Street Fighter:

to

Dragon Ball Z:

to

 

Hmm all of those examples go from 3D to 2D. I am sure its just a coincidence.

 

Here are some of the worst:

Sonic

to

Megaman:

to

LoZ

to

Thoughts?