For those of you with an IPhone, there is a new app by ForeFlight that you might want to check out. It allows you to download Approach Plates, IFR and VFR charts, Airport and taxi diagrams. It has a flight planning and filing section, provides weather briefing, weather chart overlays and a lot of other features that very useful for flight planning.
While the approach charts shown on an IPhone screen are quite small, you could use them in a pinch by zooming in on each segment of the approach, and leaving it on either the plan view, or section view, whichever you prefer. It provides a convenient and easy tool to brief DP's and Approaches, prior to leaving for the airport. The first month is free, and to order with updates, etc., for a year is only about $75.00