This is less an issue than a recommendation.
The horizontal scroll bar gets in the way when I'm typing with iswype and I'm trying to choose a word from the list of suggestions.
Is there a way to disable the scrollbar for this and similar cases? Would it be easier to have a 'disable horizontal scrollbar' setting?
Sure, a 'disable horizontal scrollbar setting' shouldn't be too difficult. Again, I'm pretty busy these days, but we'll see :)