Oh I didn't even think about that. The movement you're going to have in the future sounds really cool. Good luck with that. Btw, I didn't mean to sound negative about your game.Tech, if you mean difficult using the arrow keys then I understand, but remember the arrow keys won't be used for control in the actual game.
I agree that hex based map can offer a lot more than an iso one could. Having eight different tiles around you adds a lot of possibilities and strategies to the game.As far as for why I chose hex: