A think this is a must have little utility to keep track of research considering they take so long, we better keep it queuing up. There seems to be 2 of them, though Craft Research Timer seems more popular.
Craft Research Timer:
http://www.esoui.com/downloads/info81-CraftResearchTimer.html
Research Tracker:
http://www.esoui.com/downloads/info131-ResearchTracker.html