My own two cents on your post is to agree that the theory of miasms is the best explanation of chronic disease out there. Treating the miasms, however, has led to different approaches, even within classical homeopathy. some say only use the similar remedy, others nosodes in high potencies. I don't know the answer, but do realize that its a tricky enough subject that one should consult with a homeopath when trying to deal with miasms. I am psoric, sycotic and tubercular. a mess. my similar remedy, however, lycopodium, has brought me a long long way... and hopefully will take me all the way.
its a shame that classical homeopathy is not discussed more at curezone. for me, it was the most effective treatment by far that I tried.