For sheer entertainment value, with a lot of good engineering thrown in Doubleboost/john Mills, Pro machinists, I like Adam Booth, Tom Lipton, Keith Fenner, Joe Pie, Phil Kerner. bcbloc02, Dan Gelbhart. Home shop guys thisoldtony, Ave, Old steam powered machine shop, and a eastern European one called factorydragon87 who brings dead broken rusty ruski machinery back from the dead! but for sheer perfection and hand tool skills Clickspring! I watch so many others too, you wouldn't believe I had time to do any real work, but I have learned so much from all these people, especially if you believe you can, or believe you can't, you are right! Wth the right approach, and attention to detail, you can teach yourself pretty much anything by watching these guys.