I have yet to take the leap in terms of using it day-to-day. I just don't have the time to play. I had my kid install it in a small netbook we were not using just to see what it felt like. Neither one of us is interested in using it very far past boot. It's one of those "Right. Brilliant!" moments and then the notebook is closed shut and turned off. Professionally my concern has to do with wasting time and not being…
The main problem of W8-haters with new Start Screen instead of old Start menu is that it distract from work by showing in app list in fullscreen, but in your case it only takes on display from 3.
>It was specifically built to make programming, electronics design or mechanical design far more productive. If doing a web project it is not uncommon to have multiple browsers, virtual machines and IDE's going as well as PDF's and reference material. Similar scenarios exist when doing electro-mechanical design.
You will not see changes in your workflow if you install W8 because you work with applications, not OS, and all desktop functionality is preserved except start menu and Flip3D.
So probably you have no reasons to install W8, but you don't need to worry that you could not to work on it if you will be forced to.