It is indeed a tough situation. Unity Indie has some limitations but it also offers access to a lot of platforms. Though you can add the missing features easily through buying Shiva for only 169. That is still cheaper than competition and is almost as good as Unity Pro, works also on all these platforms plus Linux and has good editors.

T3D ist getting hot these days and C4 2.0 is coming in November with absolutely unique technology. It will be hard to follow at the same speed.