Most of the accessories I can use with other models. But the waterproof case is the most important accessory to me and I don't want to drop back to a lesser model camera. I can't seem to find another newer model (Newer then the S330) that has the same form factor though.

Here's the case: http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=2988248846&category=3335