A bit of reading for taking patience ;-) Gilles * Energy-Efficient Graphical User Interface Design http://www.ruf.rice.edu/~mobile/publications/eegui_accepted.pdf * Graphical User Interface Energy Characterization for Handheld Computers http://www.ruf.rice.edu/~mobile/publications/zhong03cases.pdf -- Oralux.org http://association.oralux.org