>I would also like to be able to move my replies 'on mass' into a one of my folders in UT. Ideally I would like to do this by tagging them after the results of the searches I indicated above.

This is already supported.

>I think the ability to do searches should be provided to non PUTM but limited in some way, because its a great carrot for drawing in new members and if they dont experience it they will not miss it.

They can experience it.