Free or Sub 100 (NZD) Photo Cataloguing/Editing Programs

Hey guys, 

I just got back from holiday and took a bunch of photos with my camera(350D). I need some recommendations for a peace of software that is like iPhoto (I used to use this but I want to get away from the whole apple ecosystem) or Light Room (Costs too much at the moment)  for windows that will let me quickly sort hundreds of photos quickly and have some colour correction or editing tools.

Thanks.