You might want to try
http://www.appbrain.com to find great apps for your Android phone.
On the site you can directly install apps from the web browser and get them on your phone with the native Android app (AppBrain market sync).
Also you can share your apps with friends, for example check out
my app list
http://www.appbrain.com/user/uwe/apps-on-the-phone
I am looking forward to your comments. Thanks!
Uwe