OpenSUSE :: High CPU Load From XOrg And Gconfd-2 With Nvidia?

I just posted about this in this thread, but as the other thread was started by a KDE user then I thought I'd post here as well. I've had high CPU usage for a few months now - probably since trying the 0.9 branch of Compiz then dropping back to the default openSUSE builds (XOrg and gconfd-2 running a Core i5 at about 30% on every core*). I've now finally found a solution after deciding I wanted to fix it once and for all.

Once again, the Ubuntu forums come to the rescue with this thread (I don't like the distro as a whole, but I do find the forums useful!). I'm using Compiz, but it turns out that Metacity was running as well. A quick "killall -9 metacity" and the gconfd-2 process has vanished and XOrg settled down to its normal 1-2% (which is reasonable when I've got a Conky config refreshing every fraction of a second to repaint a sound visualiser!). Now I just need to find out why Metacity starts when I'm using Compiz...

* according to Conky's per-core graphs, although top only reported 15% overall and the Conky "top 3 procs by CPU" reported a measly 3% for each process, so someone's maths was out somewhere!