Palm Pre

Source: http://www.teehanlax.com
Download:PalmPre_GUI_1_0_Avenir.psd
Download:PalmPre_GUI_1_0_Coconut.psd

IPhone

Source: http://www.teehanlax.com
Download:iPhone_GUI.psd

IPad

Source: http://www.teehanlax.com
Download:iPad_GUI_1_0.psd

Android

Source: http://www.rawapps.com
Download:Androidguipsd_v1.0