How do you bake the effects of constraints, modifiers and NLA?

Some builds of Blender (Jahka particles and Blenderpeople) don’t have all the features of the latest version of Blender and vice versa. But I want to be able to combine the features of each program to create a seamless animation. I’ve thought that I can bake the effects of all constraints and modifiers to IPOs so I can transfer animations between programs to make further modifications such as adding dynamic hair particles. Anyone know how to do this? If there’s a better way, please let me know.

I rarely use CVS versions for other that simple features trial, but I think that you could render separately the scenes with the available features and mix the results in the video sequencer…