Coleman lanterns and stoves are readily available in France.

Pro's :
* as you say, they have been around for some time and parts are available without hassle.
* For really long term use, unleaded gas might be easier to "obtain" than canned gas (I think Coleman lanterns can use white gas and/or unleaded gas - correct me if I'm wrong)

Cons :
* they are really expensive, compared to other systems ;
* I prefer to store propane/butane canisters, rather than liquid fuel ;
* they seem more complex to operate (pressurisation) and according to other posts, they are somewhat noisy.


So, right now, living in an appartment, in a big town, and preparing for medium duration emergency, I will stick to canned gas appliances.

When (if ?) I'll move to a house in a rural area, I guess I will reconsider the Coleman solution.