I went ahead and got a Huion Kamvas Pro 20, I've tinkered about with it a little and am generally happy with it.
The drawing tablet has shortcut keys on the side, so I am looking for suggestions on what to apply them with - I know It's something I may adapt to my own familiarity in time but suggestions would help right now.
Here is a video that mentions about a feature on Photoshop called 'Eyedropper'(?)', I don't think Alt does the same thing on Krita, but it seems like a useful tool - What is the shortcut command for this on Kirta?: