I could be mistaken but I am fairly confident that the Records Center and default functionality of SharePoint only supports document records, not list items.
The reason for this is because the Records Center is to support auditing, and it's not often that important information (for litigation purposes) is contained in a list item, announcement, or any item aside from a document.
If you want it for your own auditing I would think carefully about what use the 'record' would be, then if it was indeed necessary I would write a simple event handler or workflow to automatically add records (based on conditions) to the records center when needed.
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