Not exacly. If capcom were to make one for the ds, they would have trouble selling it because not everyone has a ds. They should keep doing what they are doing and make it for the advance first for a while, then in about a year, switch to ds. They will get more sales that way.
Also, I feel that battle network 5 came out too fast. I heard of it way before I even beat battle network 4... and that just seemed new!
And yes, zero 3 doesnt seem to be that good. I was disappointed in zero 2... but I stick with my opinion when I say zero 1 is clearly the best. It is more unique. After zero 1, it began that standard; intro stage, select 4 bosses from a screen, do something else, then another 4 bosses, some ending stages, then the final stage. Zero 1 didnt have that. You continuously selected missions from ceil with twists such as base attacks.