That would be fantastic. I'm, however, also missing that expertise. Perhaps posting on the Emacs-devel list or the ask current GDB mode maintainer [1] could trigger some interest.
Björn
[1] http://www.inet.net.nz/~nickrob/
25 aug 2010 kl. 19.00 skrev lldb-dev-request@cs.uiuc.edu: