IIRC Tagans runs hot due to being very quiet but with low airflow making internals quite warm and exposed despite full load 50c ambient temp limit. However I have been out of PSU market for sometime but why not give a quick glance at this site that has extensive and well done PSU reviews?
http://www.silentpcreview.com/section10.html
http://www.silentpcreview.com/section10.html