A:AnswerIf you are NOT buying this for gaming (e.g., video editing), any keyboard you like and are comfortable with. Otherwise, go with the Corsair, or check out sites like Reddit for suggestions.
A:AnswerHello Clappy - if your peripherals are connected to the dock, moving the connection between your laptop and this desktop would work. To prevent from having to move the cable between devices you can use a KVM switch.
A:AnswerYes, the Aegis Z2 can support graphics cards upgrades. Please note that you may need to upgrade the power supply if the card you switch to requires higher power draw.