3.4.7 has a regression regarding window placement on multi-screen desktops. windows tend to spawn in the wrong screen - really annoying. Uli and I tracked it down and he fixed it in this commit: http://git.naquadah.org/?p=awesome.git;a=commit;h=36b639801b5cbf1ecc0a6457a411b96d6303ec23
Created attachment 246510 [details, diff] multiscreen window placement patch
3.4.8 in the tree now with it, since it bit me too.