There are 4 version of QT 4.6 beta for mac os.
Which of them i have to install on Snow Leopard:

1.Qt 4.6.0 Beta for Mac OS X
Download .dmg (165Mb)
2.Qt 4.6.0 Beta for Mac OS X Debug libs
Download .dmg (333Mb)
3.Qt 4.6.0 Beta for Mac OS X Cocoa
Download .dmg (161Mb)
4.Qt 4.6.0 Beta for Mac OS X Cocoa Debug libs

The NO cocoa edition is Carbon isn't it?
thank you