I noticed this when I was helping my sister with iChat. She closed her AIM buddy list window and was unsure where the command was to open it -- it's faster just to ask me than dig around, it seems. So my first response was hit Cmd-1 (I'm training her to use the keyboard), the shortcut for Window » AIM Buddy List, but it didn't work. So I discovered that on her machine it was Command-2, while on mine, it was Command-1. Through this, I discovered that it's possible to change the value without doing anything in System Preferences. It turns out that the Accounts pane of iChat's Preferences lets you drag your accounts around in any order. At first this seems pointless. But take your mouse on a trip to the Window menu, and you will see that all accounts have a key command, as noted above. Now rearrange the order of the accounts in the Prefs window, and voila!, the Command-# order no...

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