If you want to know how many users are watching your auction item, this MOD is for you.  This MOD provides a number count of how many users are currently watching your auction item.

Besides the satisfaction of making a sale, the next best thing is seeing your auction item being watched.  As long as your item is being watch, there are greater chances of it selling.

PS: Also it lets your auction sellers to see what listings buyers are interested more than into others.