Re: Snappy GUI response

> synonymous with client - server roundtrips. When fresh programmers 
> starts out writing GUI applications, the asynchronous rendering concept 
> is the hardest for them to master.

The toolkit does it for me - to most people its a toolkit internal 
management matter. Which actually helps enormously since it means the 
toolkit can change policy (backing v exposure) itself based on the widget
and the data it can measure (draw time, expose count, etc)