Add part about PCB problems and workarounds

Hacks and fixes 
Well, notice that PC mag uses the same images and text as the other source.

Also,
![bikeshedding](http://www.waltongardenproducts.ie/Graphics/Dynamic/Cache/Products/1098-633918926907187500_wgb_cm-scale_w-800_h-710_q-80_wgb.jpg)