That town would be impossible to defend. You would eventually get boxed in to one or two buildings. It would make for great drama/action, but it wouldn't be a smart move.
There's proof! Somewhere....someone took video, but I never got a copy. I'm not gonna say that our track day caused KTM to shut the Fly N Ride down...but... No more Fly N Ride.
IMHO, the SV650 is a better choice than the 250 or 300. The later 2 will be old hat REAL quick. If she knows her way around bikes, don't get something she'll be looking to sell in 6 months.
I'm throwing my vote in for inseam being a big factor. Just from experience, if she can't comfortably handle the bike when stopped at a light, it doesn't matter what she's riding.
I assure you, I'm not. I scanned it from the cloud myself before posting. It's serving up Citadel malware. Java and PDF exploits being used. CVE-2013-0422 for the Java one. The Citadel server has been sinkholed. It resides @ 184.82.177.125.