My recent silence confirms my happiness with my new iMac - operating 10.6.8. Except ..... the wireless mouse seems to have a voracious appetite for batteries. The longest I have managed to last until they have had to be replaced has been 4 weeks. The last ones lasted a mere 10 days. Is this normal? If so (and if not) has anybody got any suggestions on how to cut down this massive consumption. It is rather spoiling all the good things. Many thanks in advance. Keith Mills