kanedo

This widget displays all comments on all blogs on your multi site wordpress installation. You can define how many comments should be displayed.

Get All Comments Widget

Creates a widget which lists all comments across all sites of a multi site wordpress installation

erikshosting

Are you trying to customize your WordPress Dashboard across ALL wpmu or wp3 Multi-Site blog networks?
Remove ALL WordPress Dashboard Widgets! Network Activate To Use Network Wide!
What This Plugin Offers!: 
Configure Once! Network Wide! 
Remove ALL default dashboard widgets! 
WP3+ & BP 1.2+ Compatible!
Why Use This Over Other Dash Widget Removal Plugins?: 
Most of the Plugin Solutions are on a per-blog basis, no sitewide configuration!
Existing solutions do not remove ALL dashboard widgets!
<h3>Features</h3>
Configure Once! Network Wide! 
Remove ALL default dashboard widgets! 
WP3+ & BP 1.2+ Compatible!
<h3>Coming In Future Versions</h3>

Dashboard Widgets Network Removal

Remove All Dashboard Widgets In Single WP, Or Multi-Site!

Get All Comments Widget vs Dashboard Widgets Network Removal