If you already have homeowners/renters insurance, contact the insurer with the info of your equipment (including serial numbers and value) and they'll provide a quote.
maybe I should, though not sure what the insurance exactly covers. So if I drop it and it my fault its broken will they pay to replace or fix it? I hate insurance cause I never use it, car insurance is a great example, if something get damaged to my vehicle I fix it myself.
State Farm person here, since I don't charge for my pictures it is insured as part of my homeowners. My agent has a list of all the serial numbers (except for the D300 which I have to get to him) before I take it out.
Covered for theft and fire as part of my homeowners (I checked twice).