I *love* this design - years ago I had a Nokia Communicator which also placed the speaker and mic on the opposite side of the keypad. My favorite part of the feature? It helps avoid smudges on the screen. (Seriously, as B&O connoisseurs we do not enjoy smudges on shiny surfaces)
Leo
BV 10-40, BV 8-32, BL 9, BL 4, CX100, BS Ouverture, BS 2000, BG 4500, Passive, LC 1, A 9