Here's a few screens from the current FastCheck version.

FastCheck main window:

FastCheck in Tiny mode:

FastCheck tray icon:

One of the many option windows:

IMAP Synchronisation settings, with support for FastMail's IMAP proxy and FastServices (firewall-proof) connection:

Proxy/Firewall settings. Either WinInet (Internet Explorer settings) can be used, or settings can be explicitly specified:

Accounts configuration page:

Account details: