Hi avocadobaby, my apologies for taking so long to get back to you. I am familiar with or have at least imagined 3, 4 and 5. 1 and 2 are new to me. i'll tell you my current approach in my next post, at this point I'd just like to say that it will take experimentation in all of these and more approaches before we discover what is truly practical for this application.

Les