Most people are amazed with some of the applications that have been coming from the App Store.

AppStore, apart of the iPhone OS 2.0

Apple claimed a catalogue of over 500 applications on the App Store’s July 11th launch. Just a week later, this has grown to over 700 applications- with many developers anxiously waiting for their applications (or updates) to get updated.

For those who have updated to the new firmware 2.0, you probably have found a number of applications you are really enjoying. However, the more you explore, the more pleased you might get. There are really hundreds of awesome applications on the App Store- some of which you may not know about. Here are a couple of ways to keep on top of the App Store- from the latest additions, hottest applications and updates to current applications.

Chris Pirillo recently created a Slinkset based application, that is a social news site for iPhone applications like Digg. You can find the most popular applications, voted on by users, and comments about each application. This is a great forum to be introduced into new applications, and read comments that are actually relevant (unlike a typical iTunes review).

MacRumors editor Arnold Kim has created a website, dubbed Touch Arcade, which provides extensive coverage of iPhone games. This is a high quality site for those looking just for iPhone gaming coverage.

PinchMedia offers RSS feeds from the App Store in four categories: Top Paid, Top Free, Updated and New Apps. You can subscribe to these feeds in your favorite RSS browser to watch as new updates and applications roll in; and stay on top of the most popular applications.

There are many apps to be discovered, and loads added each day. It is up to you to stay on top of them!