As i said on WLM and you asked me to post out here
1. 9 default alignments(top-left, center-center, bottom-right, etc)
2. Better border (I don't like this one much)
3. Chose no. of messages (1-20)
4. Chose font size, style and color.
5. Reply box like aNILEator said.
6. Click-able nicks so that you can open chat window on click.
3. Scroller for the Preview box
.
8. More Coming Soon!