Sat watching that video and wondering if you could first lay down a layer of black plastic with holes punched in the right places, it would eliminate 95% of the weeding chores.
Course it would help if the garden was on a slight incline with holes punched in the frame boards on one end to deal with draining off the occasional two inch rain.
http://www.amazon.com/Plastic-600ft-Embossed-Growerss-Soluti...
Course it would help if the garden was on a slight incline with holes punched in the frame boards on one end to deal with draining off the occasional two inch rain.