Help with convertible purchase!!!

hello, together with my partner I am looking for an affordable cabrio! we have set the following specifications: price up to approx.12000 euro year of construction from 2004 have at the moment the 307cc, the megane cc and the mazda mx5 in the auge! place is not important, first car is a combi. however, the car should not be significantly more expensive than the above sum, since we can not imagine for a second car a credit etc. to take advantage of. what do you think of the 3 o.g. models? strength n and weaken? by the way, the car should be driven through the whole year. or do you have any other models to choose from? best greetings!