I've been using a W10 for the past year or so and been pretty happy with it, but it finally got partly smashed last weekend whilst caving.
It still works fine, but there's a big crack in the LCD and I rather suspect that it isn't waterproof anymore.
So I figure I'm going to replace it, but I'm not sure whether I should look for a used W10, or get a W20 or W30. The specs on Pentax's webpage make it seem like the main differences are increased depth and duration of submersion, which doesn't really matter to me much since I'm not diving with it...
It also looks like the W20 uses the same batteries as the W10 but the W30 uses some different kind, so I'd have to replace my spares.
Anyone have any input on how these models compare?