It occurs to me that you have the segments where you talk to the camera, and then there's the segments where you show us something on your bench. Ever considered using a head-mounted camera for the latter? It seems to work well for guys shooting sports videos. Maybe you're a candidate for the Google Glass, heh. Then again, too much camera movement is uncomfortable, and it's hard to keep your head still while working...
So maybe not a head-mounted camera, but an eye-ball-mounted camera, because even if your head moves, your sight usually stays focused on one area, right? I'm envisioning cyborg dave here, or Dave LaForge, hehe.
Cheers though. I appreciate the thought you put into increasing the quality of your video production.