Usually I build props and set pieces for the film industry and don't often get to try my hand at "real" carpentry, so everything I'm outlining here is a mix of me making up things up and otherwise reading tips from wood-working magazines. If you spot me doing things in a totally bass akwards way, please let me know your thoughts in the comment section - I always want to learn better ways to do things! ALSO: if anyone knows an easy way to rotate photos within the Instructables site I'd love the head's up!
So... I got a pile of old barn board under a tarp in a pile behind the train tracks near my place; I was really excited about how aged and beat up they were. However, they ranged in thickness from about 2" to almost 4" so I had to plane them down to get an even thickness. Unfortunately, by the time I shaved each piece down to uniform thickness the planks were nearly 1 1/2" thick - I almost could have just used standard 2x12 stock :-P OK, here's how I made this table: