In France we have a €19.99/mo plan with unlimited talk for domestic (land and mobile) and a huge selection of international countries (land), unlimited SMS/MMS, and 20Go of Data (yes, twenty). That plan can go down to €15.99/mo if you also go with this carrier for your home's broadband access.
That same carrier (called "Free mobile") offers a €2.00/mo plan for 2h talk, unlimited SMS/MMS and 50Mo data, which is €0/mo (free) if you're subscribed to their broadband.
That same carrier (called "Free mobile") offers a €2.00/mo plan for 2h talk, unlimited SMS/MMS and 50Mo data, which is €0/mo (free) if you're subscribed to their broadband.