I've been following some of the link's on Kal's site for ordering parts for the control panel.
Many of the LED pilot lights, the switches and the enclosure he provides links to on ebay via links on the Electric Brewery site.
But if you go to the main website at Pioneer Breaker dot com you can get them for a bit less. For example, the 22mm pilot LED lights are on sale for $3.99 right now.
Also, I found a great source for a large heat sink.
But you can email them and the can make it any width you want.
11.5 x 3" is standard.
They can black anodize for $3 more
I have no affiliation, just wanted to share what I found.
Moderators: Not sure if the links or info I provided violates any posting rules here, please feel free to edit or delete. Thx.