Will Magnus's patented Responsometer for increased transformations, and the ability to make the metal "soft" at times.
An exotic energy engine to produce infinite energy.
Nano machines for continuous upgrades and near immediate repair. I'm not sure the style though. My gut says modified Ratchet & Clank nanites, one's that would constantly be working an would upgrader her in the middle of a fight but I'm not sure.
A retract able skin suit that doesn't have personality, but has something similar to chromatophores allowing her to change its color, texture, and shape.
I would say something to simulate a libido, but she already had that in the show.
Well we have conductive plastics in the real world, that look like and in a way mimic metallic properties, and in one of the Metal Men comics they were retcnoned into being made of plastics that mimicked metals, so give Jenny a new chaise that mimics vibrainum in some way.
I like this guy's
) idea of giving her childbearing abilities, but if Vexus could possibly of had Sheldon's babies, why couldn't Jenny bare Anon's? No really? I haven't watched it in a while but I thought that Jenny was built By Dr. Wakemen to recreate the Clusters abilities, so would reproduction be one of them? And if that's not the case then why did she give Jenny romantic inclinations? More importantly how?
Anyway back to upgrades.
A hard light projector would be nice.
You could already passively bully poor Jenny, so while BDSM is an options there would need to be something that would make you feel less like shit while or after dominating her. Aftercare can alleviate the feeling of being a douche to your girl, but still you don't want to actually feel that way.
A spark, transformers' style, as I just like the idea of Jenny having a soul and therefore potential supernatural powers in a setting that other's might have them in.
A teleportation feature of some sort.