Auto-Number On Copy Paste

[trevor]

When I select an object with name say "Track", then copy and paste it, the new object should

  - auto name as Track_1 if that name is not already used... or
  - the next available number if it is.

If I do the same with a group of objects each element within that group should also be renamed.

FURTHER, the program should NEVER allow you to re-use an existing name unless you plan on adding an index so you can reference the names numeration.
It would also be nice if the objects catalog model name was also saved to a different property. See other suggestion.