Would you avoid a property where your front of your property is facing a electric power tower?
i.e you step out of your house and this is your view...
http://maps.google.com/maps?q=Prospect,+NSW+2148&hl=en&ll=-33.797979,150.916572&spn=0.003401,0.004399&sll=-33.79798,150.916574&sspn=0.003419,0.004399&t=h&hnear=Prospect+New+South+Wales,+Australia&z=18&layer=c&cbll=-33.797996,150.916688&panoid=ZPn8MPPrb22-OEIHMUO9ig&cbp=12,143.04,,0,-2.47
i.e you step out of your house and this is your view...
http://maps.google.com/maps?q=Prospect,+NSW+2148&hl=en&ll=-33.797979,150.916572&spn=0.003401,0.004399&sll=-33.79798,150.916574&sspn=0.003419,0.004399&t=h&hnear=Prospect+New+South+Wales,+Australia&z=18&layer=c&cbll=-33.797996,150.916688&panoid=ZPn8MPPrb22-OEIHMUO9ig&cbp=12,143.04,,0,-2.47