Nicolas,

> Apart lack of keyboard shortcuts (at least standard ones) that are breaking 
> productivity, one thing that would mostly afraid someone having classical end 
> user applications in mind is the halo handles... What are these handles 
> usefull for end users? Are they just there so the end user can break the UI? 
> I perfectly understand negative reactions.

  Of course these handles are useful for end users who are doing
eToys^^;

  Other than that, there is a package called "Lockdown" by Ned.  This
may not work with latest Squeak versions, but you'll see the idea.

http://map.squeak.org/package/0c6d3bda-adbb-496a-ae84-8d4c145d14b5

-- Yoshiki