tekJunkSeller is a simple addon that automatically sells all your grey items when you visit a vendor. No config, install and go.
There is a single grey item in the game that starts a quest. If you're questing in Swamp of Sorrows, watch out for [Noboru's Cudgel]
Visit my site for more info.
Please report all bugs and feature requests to my Google Code tracker
Alpha builds can be found on github.
Please direct all feedback and questions to my Google Groups mailinglist