i made some pictures of the OS business lounge 'upstairs' the last time I had the pleasure to go there ... hope this helps you!

Entrance

Water bar

Main seating area

Brekkie by DO&CO

Main bar and food area

Lobby

Seating area

Chillout Area

Take care and have a great time in Vienna!

Edit: sorry for the small thumbnails! If you want better pictures, feel free to visit my .Mac Gallery and check the "BCN 07" album! There are some VIE lounge pictures!