The preliminary version of "NumPy Tutorial" is at "Tentative_NumPy_Tutorial".

However, in the mean time, there is some documentation for the previous version of NumPy that still mostly applies, and which is tutorial in nature:

Old NumPy documentation - HTML format

Old NumPy documentation - PDF format

The NumTut files used in the tutorial can be found on SourceForge.

The biggest difference is that instead of "import Numeric" you should use "import numpy".