thanks everyone who has commented so far.
I'm now looking into USB microphones for the ease when working with Skype/recording etc.
I have it down to 2 choices.
A shure MV51 or Blue Yeti
https://www.shure.com/en-GB/products/microphones/mv51
https://www.bluedesigns.com/products/yeti/
Any thoughts?
Also my iMac camera says its an HD FaceTime camera... not sure what the next upgrade would be?