Someone else just asked this!
As far as we know they dont exist yet... and if they did they would be expensive.
I cant see it happening as casefans are just too cheap.
<i>"Revenues were less than robust"</i> - QWEST
<i>"The company applied its accounting policies incorrectly"</i> - WORLDCOM
<i>"Certian financial adjustments may be required"</i> - AOL+TW.