I agree with what you lot are saying in relation to searching instead of posting. And perhaps particuarly with this question as I am sure it is one that is asked frequently.
But think of it this way...nearly every question has been asked before at some point, or you can find on google, etc etc. If everyone searched for old posts instead of asking in a new thread, the forum would be very dead. Also, the way in which posts gets answered is different, not only because the people viewing it are different, but as time goes on different ideas crop up. Without new threads being posted, the opportunity for different opinions wouldn't be aired.