Besides keyboard shortcuts, I found Zen330's second suggestion about keeping the timestamp displayed when switching tabs extremely useful. Currently, I sometimes confuse live data with snapshot data if I'm not paying close attention. Having a small note there would significantly help avoid errors ...

That is a brilliantly sarcastic idea! Giving a trophy for the most tournament boots is genuinely the perfect way to shine a public spotlight on that unfair Freemium policy—you've essentially turned a negative player experience into a recognized (if regrettable) achievement.