I just wanted to post this information about the fact that the rolled and pre-formed drop-ins for the Playtex systems are all made from polyethylene (PE), and are therefore BPA-free.
It's really only the Premium Nurser bottle that contains BPA; the standard Nurser bottle does not contain BPA.
Here are some links about this. In case you would worry that the one from Playtex is biased, I include the wikipedia explanation about BPA (see human exposure to and identification of plastics sections) and another safety list.
I was just worried that the entry from Kerri R might be misleading and unduly alarm people about the drop-ins system. No hard feelings, hopefully, Kerri - it's just that the link you found wasn't clear that they're only referring to the bottles.
Happy bottle-feeding, everyone. It's hard enough as it is!
http://en.wikipedia.org/wiki/Bisphenol_A
http://amomsblog.wordpress.com/2008/04/09/bpa-free-bottle...
http://www.playtexbaby.com/bpafree/info.html