Did MEL used to have an observation deck? From the far end of the QF business lounge you can see an outside deck with signs for Male and Female toilets. If it wasn't an observation deck what was it?

Does anyone know what is going into the space about Gate 10 at Melbourne international? Last time I flew out of Melbourne it appeared to be a new lounge space which was currently vacant.

Star Alliance Lounge Access (TBIT) - I am flying from MEL to DEN via LAX on United (Business First). I have a 4 hour layover in LAX - will I be able to access the Star Alliance Lounge in TBIT. I don't mind clearing security twice - from the reviews the TBIT lounge is far superior to the UA Club...