User Portlet User Portlet

Discussions
Dear all, I am a Windows user and a newcomer to Mathematica (8.0.4.0; used Macsyma earlier). Moreover I have never abandoned the efficiency of batch processing (punched cards....). Therefore I use scripts. So, while a script is being developed,...
My first use of Mathematica is to draw a tree-graph. With few nodes it works. With many the labels are truncated. An example follows. Can I widen the graph? Can I rotate it? Here is the TreePlot: ...