I noticed as Cyberduck has some trouble, but indeed, on a first generation MacBook, 32 bit, Snow Leopard:
cd /System/Library/Frameworks/JavaVM.framework/Versions/
total 48
lrwxr-xr-x 1 root wheel 5 Aug 29 11:24 1.3 -> 1.3.1
drwxr-xr-x 3 root wheel 102 Jul 21 01:35 1.3.1
lrwxr-xr-x 1 root wheel 10 Aug 29 11:24 1.5 -> CurrentJDK
lrwxr-xr-x 1 root wheel 10 Aug 29 11:24 1.5.0 -> CurrentJDK
lrwxr-xr-x 1 root wheel 5 Aug 29 11:24 1.6 -> 1.6.0
drwxr-xr-x 8 root wheel 272 Aug 29 11:55 1.6.0
drwxr-xr-x 9 root wheel 306 Aug 29 11:55 A
lrwxr-xr-x 1 root wheel 1 Aug 29 11:24 Current -> A
lrwxr-xr-x 1 root wheel 3 Aug 29 11:24 CurrentJDK -> 1.6
(Not sure if I like SL deleting my previous Java SDKs, but well, it removed my printers as well...)