We have broken some of the cheaper toys, or they have broke on their own. Never replaced them though. If one of the nicer ones broke, I guess it would depend on how much use we received from it and if it was worth the money as to whether we would replace it or not.

I haven't broken anything as of yet, but I'm always worried I might break the clitoral arms off my Jopen Vanity vibes; I like to pull the arm back to wash the tight fold, where the clitoral arm attaches to the shaft. I don't think I'll replace them if something bad happens, I'm not super crazy about those rabbits.

I've only broken one toy. It was my first rabbit and it had plastic pleasure beads that were on a plastic spindle. Squeezing too hard snapped one of the beads off which then was free-floating and started breaking other beads off and ruined the toy.
I've looked for a long time to try and find a rabbit like it but it had some pretty unique features I haven't seen since.

Like Rossie above I'm also worried about breaking the arm off my Jopen. I've heard of it happening.

I've only broken a cheap vibe and bullet vibe. There are a couple more expensive toys I have now that I would probably replace, but some of them I might not bother to (and instead spend the money on a new/different toy).

Nope, not yet!

Yup. I had Evolved's Dream Maker Nocturnal Emission... I was using it standing up in the shower, and when I went to change positions, I snapped the inner metal stem in half... oops!

not yet

We've had one break and we didnt do anything just threw it away and let it go.