thanks all for that… i had a look around with the software but its seems too simple though…. just found another software online.. its called fetchIT

it has much more figures that you can adjust like avg rent, loan repayments, land rates, water rates, council rates etc……

check it out if you want

http://www.realtyinvest.com.au/Deskt….aspx?tabid=62

once thanks heaps guys……