Hi JohnHenry,
Parramatta has become 2nd CBD in sydney, and I think too late if you jump the ship now.
I've one 2BR unit in Holryod (Guildford to be precise), we bought $320k in 2012. LVR 80%.
CMV $440k (bank valuation last week). Rent for $425/week. Nice chunk of depreciation. Cashflow...