I recently picked up an Infrared converted Canon Powershot G5 - it's a bit tempramental - but for £10 I'm not complaining. I've been using some guides on the internet, but there seems to be no "right" way of converting the infrared photos (and about a million different variables, most of which rely on Photoshop!). I also think the lack of foliage on the trees, and masses of white snow has complicated matters somewhat. But here are a few of the conversions of shots I've done so far.
I think this will be a good place for me to start reading: