While this is doable via JavaScript currently, this will be possible declaratively as of the Skuid Summer 14 release (coming later this month).
There will be a new Item Action type called “Run Multiple Actions” which will let you run one or more Action Types in sequence, one of which is “Show Popup”. So you’ll be able to click on an Item in a Queue, and show a Popup that has, say, a Field Editor or Template on that Queue’s Model, and it will show Fields from the particular Item you selected.
Sneak preview:
