Photo.net have a great do-it-yourself article that describes how to hook your digital camera up to a 7 inch portable LCD display - great for zooming in to see all the detail in your images. At $129, this is a cheap alternative to a laptop too.

“In the ‘old’ days we used to pass Polaroids around the studios to clients, art directors, teachers, etc. Now that I have switched to DSRL I really don’t feel like passing around my camera nor do I enjoy holding it while everyone has a chance to look at the image(s). So, I set out to find a solution that would allow instant playback with an image large enough for clients & me to view comfortably, without having to take the CF card out of the camera and load the images into a laptop. (I like to keep my shoots as time conscious as possible).

After much researching I have found the solution in the automotive retro-fit market.”

Website: Photo.net - Portable LCD Display