OK, done that, thanks.
seems like maemo-launcher is taking 12% processor time doing nothing. Is it supposed to? -
1060 user 40548 SW< /usr/bin/hildon-desktop

I charged my nokia at work, so it was full at 17:15. I then put it in my bag locked. I got home, had dinner, chatted on the net on the powerbook. It is now 19:35, so 2:20 later got the nokia out and the batery meter is on half and says idle 3 days, in use less than an hour. Brightness is half (although it was off in my bag), wireless is on.