Tweaking the UI: A Guide to SWTOR's Interface Editor
Star Wars: The Old Republic has a lot of good things going for it, but until now, one of those things has not been the user interface. Players accustomed to a more "MMO-standard" UI were frustrated by the alien layout and lack of flexibility. All that changed with Patch 1.2: Legacy - you can now move, rescale and otherwise tweak almost every aspect of the user interface to suit your tastes and needs.
To help you get a handle on using the new UI customization tools, we've put together this handy guide: Tweaking the UI: A Guide to SWTOR's Interface Editor.