Well, lxde exists in oneric and runs with no many crashes.
(a part of /etc/apt/sources.list:
eb http://ports.ubuntu.com/ubuntu-ports/ oneiric main restricted universe multiverse.
deb http://ports.ubuntu.com/ubuntu-ports/ oneiric-security main restricted universe multiverse.
deb http://ports.ubuntu.com/ubuntu-ports/ oneiric-updates main restricted universe multiverse.
)
With other windows managers it is hard to use it.

(So far worked network, sound. for sound mplayer crashes)

There is some problem with authorization for system dialogs - was necessary to make passwd for root (that should not be normally)