Comparison of Apple App Store, Google Android Market, and BlackBerry App World

MocoNews did a comparison:

www.moconews.net/entry/419-breaking-down-the-major-app-store-differences-price-and-selection/

Interesting stats include:

• Number of apps on each store:
  
  • 25K for App Store
  • Low thousands for Android Market
  • 700 on the App World

Article also mentions a list of pros and cons for each store.