Shortnames.com is a price checker tool and more than that. It has various options to check prices of niches. It also has graphs. It also lists auctions, fixed price, make offer listings in the niche you search for.
In this video tutorial, we are trying to give you a demo of how to use ShortNames.com for your benefit. Contrary to NameBio.com, Shortnames.com does not avoid the sales below 100 USD.