Another way to combine space/ground would be to have a map with one side assaulting another's spaceport so you'd have a ground map with a lot of fighters in the air on both sides.

I love the space battles.

I use keyboard and mouse for all BF gaming and it's not a big deal.  Yes, maybe the joystick user will do a little better, but not enough to worry about.

I do love the infantry battles too.  I am liking them more and more each time too.   Once the lag and CTD issues are fixed the infantry maps will be even better.

I think the ideal mix would be 3 infantry for one space.  I have also always favored (in all mods) a "story board" approach to map rotation.  In other words, put maps in some logical order.  Example would be, once we get the Hoth ground map, then run Hoth space map, etc.

A mix of infantry and flying would be cool.  With the old GC game for 1942 they had a few great maps like that.  I remember having tons of fun on the Tatooine map and BC Canyon maps.  Both had a few Tie Fighters, etc to fly around, but also had a lot of ground stuff too.  A Titan style play would be nuts, but knowing how crap the BFEditor is, I can understand what the limits may be there.

I think that other mod had a map where you assaulted a spacestation both on foot and in space. another map like that would rawk