Rights:
© 2000 American Physical Society (APS). This is the accepted version of the following article: Seppälä, E. T. & Alava, Mikko J. 2000. Energy Landscapes in Random Systems, Driven Interfaces, and Wetting. Physical Review Letters. Volume 84, Issue 17. 3982-3985. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.84.3982, which has been published in final form at http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.84.3982.