The first version of 2.6.22-grml is available for download (the debs are available via the grml-testing repository as well). Follow progress via issue 216 in our BTS or via the according mercurial repository.
% uname -a
Linux meilenschwein 2.6.22-grml #1 SMP PREEMPT Tue Jul 10 00:35:57 CEST 2007 i686 GNU/Linux
A new develrelease (1.0-1) providing this kernel build will be available very soon.