Two firewalls better than one ?

From: steve (svaardt@h0tmail.)
Date: 12/12/02

From: "steve" <svaardt@h0tmail. com>
Date: Thu, 12 Dec 2002 12:33:10 +0900

Is there anything to be gained (or lost) from running more than one firewall
upon your Windows Machine ?

For example Zonealarm, and BlackIce or Windows XP's firewall plus another
Firewall such as Nortons Personal firewall ?