If your goal is to analyze webserver logfiles on a win32 platform then I would suggest Cyclops v1.2 from www.nstalker.com. It's VERY nice and uses a known-signature database so you don't waste your time disecting old played-out ass http attacks.
Ehem, anyway the real purpose of this reply was to say how much I am DYING to give THIS a test-run:
Blink Intrusion Prevention System
