I'm not sure. Gmail's web interface certainly had been the best. But with the last overhaul, I ended up with big chucks of useless area on the top of my 1366*76

I'm not sure. Gmail's web interface certainly had been the best. But with the last overhaul, I ended up with big chucks of useless area on the top of my 1366*768 screen. Then there's the new Outlook. If we're stricktly talking about web interface, it's hard, at least for me, to say which one wins out.