Pulled this together as a result of this bug: http://bugzilla.osafoundation.org/show_bug.cgi?id=6868

Laundry list of View Settings for the Dashboard table

Setting	Switching Collections w/o Overlays	Switching Collections w/ Overlays	Switching App Areas
Selected item	Persist per collection	Attempt to persist across collections. If the item does not exist in newly selected collection, blank out Detail View pane	Ditto
Scrollbar position	Persist per collection	Ditto	Ditto
Size of pane	Persist across Collections	Ditto	Persist per App Area
Size of columns	Persist across Collections	Ditto	Persist per App Area
What columns are displayed	N/A for Preview
Ordering of columns	N/A for Preview

Laundry list of View Settings for the Calendar

Setting	Switching Collections w/o Overlays	Switching Collections w/ Overlays	Switching App Areas
What week/day is being viewed	Persist across collections	Ditto	N/A
Selected item	Attempt to persist across collections. If the item does not exist in newly selected collection, blank out Detail View pane	Ditto	Ditto
Scrollbar position	Persist per collection	Ditto	Ditto
Size of pane	Persist across Collections	Ditto	Persist per App Area

Things to call out

• When switching views to move between user-defined collections and OOTB collections, all user-defined overlays are deactivated. As a result, OOTB collections should always persist 'the selected item' on a per-collection basis.

-- MimiYin - 30 Sep 2006