Let me mount my keyboard to my tablet so I don't have to twist my body awkwardly to type.

CinTweak X-UNI - Extended Keyboard Tray for Interactive Pen Displays

It's not a vital upgrade, but it'd be nice.

Shure MV7+ Podcast Dynamic Microphone. OBS Certified, Enhanced Audio, LED Touch Panel, USB-C & XLR Outputs, Auto Level Mode, Digital Pop Filter, Reverb Effects, Podcasting, Streaming, Recording -Black - Black - Gen 2