I thought I would post this incase anyone is interested. I bought the 4.3 version for about £20, but wish I had held out for this now... It's a 1 day offer and ends soon but it's worth taking a look at if you want a commercial rendered (albeit an old version), with tutorials etc. legit.
http://www.caligari.com/store/special/selection/TS520610.htm
http://www.caligari.com/store/special/selection/TS520610.htm