I want to re-create this image:

However, I want to use an iMac as the computer and not have the text.
What is the best way of achieving my goal?
I thought I could do it using a mix of radial gradients. So far, my an attempt is at very early stage and doesn't have all the detail of the original:

However, at this stage, I can tell the using gradients is not going to help me achieve my goal. What is the best thing to do? I think I am struggling to capture the electrifying effect of the original image.

However, I want to use an iMac as the computer and not have the text.
What is the best way of achieving my goal?
I thought I could do it using a mix of radial gradients. So far, my an attempt is at very early stage and doesn't have all the detail of the original:

However, at this stage, I can tell the using gradients is not going to help me achieve my goal. What is the best thing to do? I think I am struggling to capture the electrifying effect of the original image.