Snopes had an article on this long before the current scare.

http://www.snopes.com/medical/toxins/petbottles.asp

Basically, the original research was some student's Master's thesis which was picked up by the media without going through any peer review and which has since been debunked.

As for Bisphenol A, there appears to be very little evidence that it poses a health risk to humans, even in large quantities. Environment California is the only organization, as far as I know, that has claimed to find a link, and their report has been criticized by other researchers as being motivated more by politics than by science.

DHMO, however, is an extremely dangerous chemical and should be banned:

http://www.dhmo.org/

You should only imbibe DMHO-tainted products from one of these drinking vessels:

http://www.kleinbottle.com/Tantalus.html

(oh, yeah - forgot the :-) )