Joel,
I've asked that same question a few times over the years.
I've attached the threads with the answers from other chippers.
Bottom line. I don't know of anyone seeing a table used chip.

http://www.thechipboard.com/archives/archives.pl/bid/325/md/read/id/1550853/sbj/bucket-of-blood-chip-question/

http://www.thechipboard.com/archives/archives.pl/bid/325/md/read/id/1437844/sbj/bucket-of-blood-chip-question/

http://www.thechipboard.com/archives/archives.pl/bid/324/md/read/id/1380887/sbj/bucket-of-blood-chip-question/