IMHO, leave it on but finetune it via GPO. Define the networks that are allowed for file and print sharing.
Anyway, that is what I did and it works.

Maybe this is off topic, but I think Windows FW is too important.
Top 10 Reasons to Deploy Windows XP Service Pack 2: Windows Firewall
Quote:


It’s also worth mentioning that it’s possible to centrally configure Windows Firewall on all the workstations on your network, to customize the operational mode and exception list entries.

Edited by Witto (2006-09-28 12:43 PM)