IMExchange 2

In the Tasks list, tap the sort button (up/down arrows), then tap Sort by Priority. The Medium priority tasks can use used as your Weekly review list on the road.

Pocket Informant for iPhone/iPad/iTouch

In the All Active list, tap the Group icon (three horizontal lines at top right). Underneath it on the white line, tap Dates. This is your Weekly Review list. During your weekly review, skip all tasks with High priority (Do Today) or reminder bells (hard date).