Latex Mattress Box Spring

What is the most comfortable, a box or bed slat Springs for a foundation for my bed latex?
I do not like a bed too firm, but my Latex Mattress is heavy. Should I buy a new bed frame with slats, or just use the old box spring that I have for it?. someone there with a latex mattress all, please tell me what you foundation is and how you like it. thanks
Latex mattresses are generally not used on a flexible basis. They are supposed to be rigid. So if you use a foundation, slats, platform bed, it should not affect the sensation of mattresses, what so ever. Regarding the "mattress" to be defined. Here is a http://www.stlbeds.com/articles/2008/05/07/what-is-a-boxspring-and-what-does-it-really-do/ little more info What is a mattress and what does it really do?
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