For the "romantically active" people in our reading audience... I stumbled across a site which rates condoms, appropriately named, VeganCondoms.com. In addition to discussing whether or not the condoms are vegan, they've also researched if they're cruelty-free or not. Their list is by no means comprehensive, but it's a good starting point if you haven't given this topic any thought.
For those of you not in the know, latex often contains casein, a milk-based protein. In the past, we've written about cheese addiction and the connection to casein. I'm laughing to myself, trying to come up with an appropriate joke about an addiction to these prophylactics! Unfortunately, nothing comes to mind that I'm willing to put in print.