It's actually a snapshot of Debian GNU/Linux testing branch (3.0 and codenamed "Sarge").
http://cgi.cse.unsw.edu.au/~csg/news/?issue=0023
And for those who mentioned "2.4.24", that's referring to the kernel version and not the version of Debian! Anyway, they're now using 2.4.26.
If anyone...