As far as the components under SMP7, they're functionality is almost exactly the same as their twins (if they have one) under the SMP node; it's just that the SMP set is geared for NS6, and the SMP 7 set is geared for NS7.
The SMP 7 compononents are largely genarated components that work with the web services delivered by the ASDK and NS Web Services solution for NS7.