I\'m tracking some data using console.log, an object with form data, and because the amount of data is greater than what FB will display in the console I get a \"more...\" appen
disable Show Own Property Only in DOM panel
Sounds like a Firebug bug—happens sometimes. Try closing the tab and reopening it, it sometimes works, but usually you have to close Firefox completely.
Additionally you can do a lot more than just console.log. console.dir(obj) and console.dirxml(ob) for example. One is made for outputting object key/value pairs and one is made for outputting xml. 
See the full docs here: http://getfirebug.com/wiki/index.php/Console_API
'Show User-defined Properties' under DOM tab must be enabled.