A new version of Superuser, version 3.0 is now available, and it brings with it some major changes, including bug fixes and a host of great new features. Here's are some of the changes:
  • Fixed layout on non-Honeycomb tablets
  • Better handling of fragments on tablets
  • Compatibility for Donut restored
  • Fixed bug that caused unpredictable results when an app is remembered that was previously allowed
  • Backup/restore of apps and preferences
  • Fix for Superuser thinking the binary is outdated when itís not
  • Major speed increase for notifications and logging
  • Show seconds in log defaults to off now
  • Fix FC when trying to swipe left/right in HomeActivity
  • Fix changelog version tracking, only show whatís changed since the last time the changelog was displayed on launch
  • NFC Tag Writing
  • PIN Lock (available with Superuser Elite)
  • App BackUp
  • Automatic malware scanner

If you haven't tried it yet, Superuser is free in the Android Market, and for only $3 dollars you can get the Superuser Elite version there too with some added functionality and features.

Here are some links: Android Market Superuser ; Android Market Superuser Elite

Source: AndroidPolice and AppBrain Superuser; AppBrain Superuser Elite