Dick Covington showed a new mold of "dice only" chips that he got at the LV airport. See his post at:
http://www.thechipboard.com/cgi-bin/tcbarc06/tcbarc06.pl?read=167847

I found the chips, sold at Jim Blanchard's PokerChipsOnline store at:
http://www.pokerchips.com/other/chips/plasticchips.html

BTW, nice website to explore. Neat info on the FAQ page.