I'd say the only difficulty I had with it was taking the pallets apart and saving the boards from splitting as best I could.
After that I sent each one through my planer to clean them up a little. I wasn't too worried if the wood split from being screwed together, it added to the "old pallet" look I was trying to preserve. The table top, back board, and two side legs are completely seperate the whole unit is just placed together. Very easy to take apart and move by myself. It has two drawers, two cubby holes and some shelf storage on top. I had a few pieces left over so I also quickly put together a decent little mousepad.
I think it turned out pretty good. It still looks like just a bunch of pallets screwed together but its very sturdy and functional. Plus it looks "rustic" enough that my girlfriend let me keep it in the house! haha
I will post another instructable for the small side table in the picture as well.