>I have one out-of-the-box and on a PCB as an
>interface for an 18F4550

So I take it you are just using the standard software they already supply.

>One other PIC lister at least is using them (I'll let
>him put his hand up). The one he's using has audio s/w in it

So again that is the standard software they supply ?

It seems to me that these can only be used if your application suits the 
modules that they have already available. I cannot find any mention of any 
form of software development environment for these things. 

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