Mac OS X: http://treellama.org/alephone/AlephOne-20090816.dmg  
Source (Mac/Win): http://treellama.org/alephone/AlephOne-20090816-MacWinSrc.7z  
RC1 incorporates all the changes from previews 1 and 2 (see http://blog.treellama.org/2009/08/preview-build-is-available-from.html and http://blog.treellama.org/2009/05/aleph-one-022-preview-1.html) plus these additions:  
Features: 
- Enhanced HUD: access to pictures from the Images file[/list]
 - (Lua) Player.weapons.desired
 - Optional gamma-corrected blending on platforms that support GL_ext_*_sRGB extensions (currently Windows and Linux)
 
Bug fixes: 
- Remove hard-coded X11 include path[/list]
 - Fix crashes on PowerPC Mac OS X when using enhanced HUD
 - Fix landscape display problems in texture palette
 - Fix a crash on exit
 - Fix crashes when using Lua replacement sounds
 
 Please report any bugs you find in RC1 to the SourceForge bugs page: https://sourceforge.net/tracker/?group_id=1997&atid=101997