Hey Tony, make sure you let us know if you find/make anything like that, 'cause that would be most useful. We use WhatsUp Gold here, which works pretty good for heartbeat monitoring, but it's a far cry from a lightweight SysTray app. A little app like that would be really handy for certain stuff... For example, we have a direct link to one of our client's networks over frame relay, and it's notoriously flaky. An app like that, pointing to the router on their end would be pretty slick.
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Dario
MK2 in an Impreza 2.5RS