Looking for a Good codec for "PC" Transcoding

I recently learned about transcoding and had been discussing with Axel Wilkenson via the forums (Thanks Axel!). I was looking to use pav tube to translate my ACHVD (.MTS) files into a suitable format for editing (transcoding). When looking to see what would be the most effective codec Axel had suggested using the Apple animation, apple intermediate or pro res codec.
The only issue im having is that I am using a PC and not a mac so those options are unavailable in my Pav tube. Does anyone know of any good anaologs (comparable quality-Codecs) to the apple animation or apple intermediate codec that I could use for PC for my transcoding needs.
Any and all input is GREATLY appreciated!