Not quite sure where this belongs, so sticking it here.
The National Gazetteer of Gaelic Place-names, the culmination of 10 years of research by Ainmean-Àite na h-Alba, is now available (free and without registration) online. It includes historical information, local sources and sound files to help with pronunciation.
National Gazetteer of Gaelic Place-names
An excellent resource for SPNS members like me, and for anybody with even the vaguest interest in place-names.