If you've got excess kitchen decor space, this would be a great way to rustically fill that space. u can make is as rustic as you want w/no pretty cut corners. DIY Reclaimed Wood Kitchen Sign [EAT]. I think it would look great in metal letters for a more modern look too..
Here's how to add wood panelling to walls to add a rustic atmosphere to any room in a home, but in this case a bedroom. Using PAR pine planks that you can buy at your local Builders Warehouse, you can create a rustic feature wall with wood stain and a cartridge or two of No More Nails adhesive. http://www.home-dzine.co.za/decor/decor-wall-planks.htm