Mac OS X 10.6 includes Java 6? The default install of Mac OS X 10.6 includes Java 6, or is it still Java 5?
On my Mac mini under OS X 10.6.5, a java -version gives me Java 1.6.0_22.

It's an out of box + upgrade from 10.6.4 to 10.6.5 and installation of last Xcode 3.