It's impossible to vote for one category while not casting votes in other categories.
I would have liked to vote for all of the features, but left the tutorials blank. While tutorials would be nice, I wouldn't want them sacrificing any development time to implement mod tutorials. The best mods are made by people who would likely be able to figure it out anyway (perhaps I'm wrong I admit).
Usually when game companies try to cater to people to allow anyone to make modes, they restrict modding features outrageously. A prime example of this is the Spore Adventure creator. A big pet peeve of mine of those "friendly" editors is the tendency to hide numerical values and exact coordinates from the user replacing them with drag and drop positioning and simple sliders. In the best case it's the same tools the developers use plus cool tutorials, but I don't want development time sapped away to make said tutorials.