I would like such a change. Surface warfare annoyed me already in D:OS2. I'm playing without Karmic Dices, so I'm used to the miserable feeling of frequent misses. The special arrows are limited and cost money, that's a difference to a missed spell. I could accept total misses if the arrows were available in the release game version in about the same amount as currently (relatively cheap and easy to get). Although I'm still hoping that Larian will tone down magical stuff, potions, scrolls, food etc. in the release version.
What I don't like is that you cannot use the special arrows with the sneak attack of the Rogue. Do you think they could be made usuable or would that feel unbalanced to you?