Chris responds:
1. All of my information on Gundam F90 is secondhand, but we can theorize a bit. Since the F90 units are produced by the Federation, it wouldn't be surprising if they still had Amuro's battle data from the RX-78-2 Gundam's learning computer. Since the famous "final shot" is recreated in the final duel between the F90s, it's possible that the Federation recovered Amuro's Core Fighter after the One Year War and updated the data through the Battle of A Baoa Qu.

There are other possibilities in addition to this. I'd imagine that AEUG/Karaba have combat data on Amuro and Char. Since those organizations folded into the Federation after the First Neo Zeon War, they could've gained access to the data. Along the same lines, I imagine Londo Bell would have combat data on Amuro from the Second Neo Zeon War. If you were to collect all this data and combine it, you could probably create an AI system. Since Amuro fought Char so many times, it's possible that data on Char could be extrapolated from the learning computer.

2. I haven't read the F90 manga, so I can't really judge its story as a whole. However, I'm not such a big fan of Gundam's constant Gundamjacking and "go chase the Gundamjackers" storylines. However, as a whole, I think it's good to have the F91 era expanded with F90, Silhouette Formula 91 and Crossbone Gundam.

3. As far as an OVA series, I don't see Sunrise going to the UC 110-120 era. Every single Gundam OVA produced to now has always gone back to the ever popular OYW or the years immediately following it. By comparison, the F91 era is nowhere near as popular. Given the resurgence of popularity for Zeta Gundam, I see that being a more likely setting for an OVA since the Gryps era is second in popularity to the OYW. As for a TV series, I don't see it happening for pretty much the same reason - popularity. Also, ever UC Gundam series has pushed the timeline forward, so I would expect Bandai to follow that pattern and set any new series after Victory Gundam.