Didn't realise when I posted that that it now reverts to that page every time you switch between your accounts. I see what you mean now. That's REALLY annoying... 500 posts!!
That's super annoying if you manage over 50 campaigns in your MCC account. Can't seem to catch anyone @ Google to see if this has a workaround ... ... ... Congrats CM
At the bottom of the Account Snapshot" page, you can change the setting to default to the "Campaign Summary" page when you log in. Hope this helps... Michael