The MKlll Does have 4 Hdmi Connections at the back and the Beosystem 3,but the display on the top right hand side is in white.
If you press menu button twice on a Beo 4 the set up menu for the Beosystem 3 comes up on the tv screen as well.
Bv7-55 & Bv7-32...Blue,lab1's x4,Yes4Blue, 6000x4Blue,Beocom6000 Blue,Beo5.Oh what a Blue set-up & a Beosound 5...After all,its Bang&Olufsen!