Since the advent of the internet as we know it today, I've always envisioned no physical keyboard, mouse, server or monitor. A simple device, which is carried, connects one to the cloud, with communication done via voice or a holographic keyboard on a holographic monitor.
With the advent of Google Glasses, we're virtually there. Mark my words, within ten years, looking like Borgs will be coming into vogue, with the pages taken from the steampunk community somehow making the visible equipment required fashionable.
Don't believe me? Who in their right mind would ever miss a meeting when the staff looks like this?