OK, we used up all of our good jokes in the titleand it wasn't even that good. But if you want to know what the inside of your MacBook 17 inch looks like, have a gander at iFixit's take apart.
It really doesn't look like rocket science to pull out the battery - it even has a nice lil'tab to help those with meat hooks. For all of the griping about a non-removable battery, it doesn't seem like it is that "non".
They also show you how to add a $99, 500GB hard drive.