Fred, check out Mitch Heller's post from a few hours ago:
http://www.thechipboard.com/index.cgi/page/1/md/read/id/1570547/sbj/jim-mooradian-collection-roulette-token-and-chip/

He will be listing tokens under his 2 ebay accounts, as he explains. Maybe you can monitor the token sales to get a feel for the demand for tokens.

I don't collect tokens personally (with rare exceptions) but I did see some of the token dealers doing a pretty good business at the last convention in June.