The question I ask myself is : How hard or easy is actually using that editor ? How hard or easy is it to build my own campaign ? And : Must I stick to the rules (rule-set) or can I completely waste it and use another ?

When you find a big kettle of crazy, it's best not to stir it.
--Dilbert cartoon

"Interplay.some zombiefied unlife thing going on there" - skavenhorde at RPGWatch