How to be instantly alerted when a new listing matches my saved search?

I don't see that option on my ebay pages anywhere. I've tried an app called auction alert that isn't reliable at all, that constantly does not find searches that match. any suggestions?|||You can have a saved search and be alerted when one lists but it is e-mail, once daily only. Have several searches, with one keyword each. Also have searches with common mis-spellings of the keywords.~ Lucy ~ Guide to eBay Board AcronymsClick on for links to Help Pages for a new eBayer|||I use the saved searches with email notifications, but was looking for an instant notification method or application to buy listings that may only last a few minutes. I'm surprised there aren't apps available to do this.