Seems that Ethical Tools has a Sell Through Tool that makes it look like your auction is "ending soon" on eBay. PeSA members are using it, although it seems most of the Ethical Tools are "brokeass", to borrow a term used by Ethilal Tools employees.

This practice is legal according to Ethical Tools, but I wouldn't bid on an auction with Ethical Tool's "MTV 10 Spot" look-a-like logo on it. Caveat Emptor!

Toy Ranch has done all the investigation already:

http://www.otwa.com/community/showthread.php?t=32120&page=1&pp=15

The tool is advertised as "patent pending", but I haven't seen a patent applied for.

Here's the only public description of Ethical Technologies' Sell Through Tool:

We guarantee you will increase your sales with the Ethical Sell-Through Tool.

For most sellers, we know that our Sell-Through Tool will increase your average number of items sold. Current users have experienced sales increases of 10%, 20%, and in some cases, 40%-50%, sustainable over time. If your sell-through does not increase in one week using the service, you don't pay.  It's that simple. 

We are offering the Ethical Sell-Through Tool as a first in a series of special edition tools.  Due to the nature of this service, this offer is limited to the first 250 qualified eBay sellers.