I've done my entire kitchen, dining room, and living room in bamboo hardwood, and it wasn't particularly difficult (except for removing the glue from the subfloor where the old vinyl floor was, and removing the 400000 staples where the old carpet padding was tacked down), it was just labor-intensive.
I rented a pneumatic floor stapler from Home Depot, for something like $40/day, and hooked it up to my compressor. It makes things a heck of a lot easier; you set the board in place and tap it until it's snug, then you set the stapler against the tongue and whack it with a mallet, and it simultaneously sets the board in tight, and then fires a staple through the tongue at a 45-degree angle into the subfloor. Once I got into a rhythm, I was able to put down a plank about every 10 seconds, with BrokenMa setting and tapping each one into place, and then me following along with the stapler. The only time we had to slow down was when we were near walls at the ends of the run (because you have to trim boards for length there) and at the front and back of the run (because the stapler requires a certain amount of free space to operate, so if you're too close to a wall, you have to go back to manual nailing).
If you go this route, a word to the wise: Strike the stapler soundly with the mallet, because if you strike a glancing or light blow, the stapler will only fire a half-charge of air, and the staple will only go in about halfway. And they're a bitch to get out, and even worse to try to bang the rest of the way in by hand.
-BP