HI,
Thanks again, I just check this http://www.aca.ninemsn.com.au/article.aspx?id=660596
Found top suburbs to invest are
Melbourne: Abbotsford, Braybrook, Brunswick, Brunswick east, Carrum, Chelsea, Coburg, Collingwood, Cremorne, Flemington, Footscray, Frankston, Geelong, Kensington...