What would you use for a brand new cross platform GUI app, CPython or IronPython ?
What about
 - license / freedom
 - development
    - - doc
    - - editors
    - - tools
 - libraries
 - performances
 - portability  
What can you do best with one or the other ?
 - networking
 - database
 - GUI
 - system
 - multi threading / processing
cpython is native runtime based python,,,it has a thin runtime level to the hosting os,
ironpy is soft vm based python,,,it has a heavy soft interpter embeded in the dotnet vm,,which is called clr
overall,,,cpython is made to be a scripting language natively,,it focus on the language,while ironpy is made to accomplished with clr,,,where clr is the main essisal,,then the ironpy language itself,,,it focus on the clr platform...
check hellogameprogramming.net for more details
CPython or IronPython?