I’ve been doing a bit of meddling recently with another WordPress blog and have found the need to pump up my rich text visual editor. Here are a couple rich text replacement editors I have found to currently be the most prominent. Please let me know if you have any other suggestions!
CKEditor
http://wordpress.ckeditor.com/

http://www.laptoptips.ca/projects/tinymce-advanced/

superb plugin for the wordpress to write more fancy