Gizmo and Sirdude both mentioned beyond compare, and that tool is my livesaver for upgrading with hacks.
I compare the original with my hacked version, and can quicky re-apply hacks to the new version.
My last upgrade in total took less then an hour, and I use *LOTS* of hacks.
Last edited by blaaskaak; 12/06/2007 11:11 AM. Reason: Bleh :)