the S4i is an updated Optio S4 the S40 is an updated (almost completely new) Optio 430.
The good news is that both of them have an underwater case! Christian ----- Original Message ----- From: "Kristian Walsh" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, February 02, 2004 5:19 PM Subject: New Optios > Okay, on features, spot the difference between the Optio S40 and the > Optio S4i (in some accents, these could sound identical - way to go > Pentax!). As far as I can see, the 40 is a revised 4, and the 4i is a > new camera. > > http://www.dpreview.com/news/0402/04020206pentaxoptios4i.asp > > http://www.dpreview.com/news/0402/04020205pentaxoptios40.asp > > http://www.dpreview.com/news/0402/04020204pentaxoptio30.asp > > -- > Kristian >