I didn't care for the default combat abilities window. The buttons are so small that the longer disciplines are nearly illegible, especially on high resolution. Also, as a hybrid I only need four buttons, which leaves the other four empty.
This is what I came up with:
This is using the "Blue Crystal" button graphics.
The buttons are twice as wide as the default ones, plus the font is one size larger. A few people said they liked it, but didn't care for the button graphics, so I made four other styles, all included in the ZIP file. Here's an example of what the various button styles look like:
Here is the EQInterface link