Tracks price drops for a particular app given the app's name. You need not enter the entire name of the app, but the more specific you are, the fewer false positives you will receive. You should, however, insure that the portion of the name you enter is exactly as it is listed in the store.

A feed of new applications in the Apple App store that has been filtered to remove as much crud as possible. Updated as new crud comes along.

AppStore New Release Apps(http://blog.coordinates.jp/2008/09/appstorerss.html)のうち、範囲指定された価格のアプリだけに絞り込みます。

This feed includes all new free AppStore Apps listet @ AppShopper.com

This pipe allows you to receive notifications of new free, paid and updated applications on the Apple AppStore. You can enter up to four applications that you would like to keep an eye on. The pipe uses feeds from pinchmedia.com

Filtered for Dropbox and Squarespace

AppShopper's New apps feed without ebooks

Yahoo search for "TaxiFlasher"