doesn't work

Mac OS X Version 10.3.9 (Build 7W98)
2007-05-27 07:52:29 +0100
button returned:OK

XFree86 Version 4.3.0 / X Window System
(protocol Version 11, revision 0, vendor release 6600)
[DRI] screen 0 installation complete
Screen 0 added: 1024x768 @ (0,0)
Quitting XDarwin…

XFree86 Version 4.3.0 / X Window System
(protocol Version 11, revision 0, vendor release 6600)
_XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
[DRI] screen 0 installation complete
Screen 0 added: 1024x768 @ (0,0)
2007-05-27 08:23:46.549 readconfig[549] BSDPClientCreateWithInterface(en0) failed, Interface not configured
jackd 0.101.3
Copyright 2001-2005 Paul Davis and others.
jackd comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details

JACK compiled with POSIX SHM support.
loading driver …
bash: no job control in this shell
2007-05-27 08:24:47.372 defaults[586]
The domain/default pair of (.GlobalPreferences, AppleCollationOrder) does not exist
dyld: /Volumes/Ardour-2.0.2/Ardour2.app/Contents/Resources/bin/ardour can’t open library: /usr/lib/libcurl.3.dylib (No such file or directory, errno = 2)
bash: no job control in this shell
2007-05-27 08:26:57.756 defaults[623]
The domain/default pair of (.GlobalPreferences, AppleCollationOrder) does not exist
dyld: /Volumes/Ardour-2.0.2/Ardour2.app/Contents/Resources/bin/ardour can’t open library: /usr/lib/libcurl.3.dylib (No such file or directory, errno = 2)

Which version did you download? Did you download the one from http://ardour.org/binary_downloads ? That version is not compatible with OS X 10.3.x .