Its 50 rounds for 40+$ rifle is ok. Has no real distance..show her an fn2000 or hk sl-8 same price range...better rifles and cheaper ammo
I've shot both and while neither is for me..."hate squishy bulpup triggers", the FS 2000 is IMHO the better bullpup. Yes, it's trigger is typical bullpup squish but it does "stage" consistently so it can be fired quickly and accurately but the biggest benefit is that you get the much better 5.55 MM round and magazine interchangability with any AR's you may already own.
I would try hard to let her handle and shoot a bulpup before buying her one...they are "freaky odd" ergonomics for anyone use too a traditional rifle.
I voted for the colt in the poll you posted because ammo is ridiculously over priced for the PS90, that being said though it is a great rifle and should be considered. It is light, has very little recoil, and is really easy to shoot, I don't own one but have put several hundred rounds down range with a coworkers. If ammo wasn't so pricey I would own one.