Spiffy is a small utility to check 2 Gmail accounts at the same time.
Features
Support for 2 Gmail accounts (inbox or custom label)
Tray popup alert on new e-mail (optional)
Tray icon change on new e-mail (optional)
Sound alert on new e-mail (optional)
Set custom 'check for mail' interval (all accounts)
Proxy support (supports authentication)
Customize GUI
Runs in System Tray
Autostart & Hide options