That's all part of science, you're absolutely right. Sometimes your hypothesis needs reviewed, sometimes it is your methods or tactics. I'm sure you'll make some progress, even if it does mean tweaking things a bit! We've been collecting NES games like no tomorrow! I was playing Fire Emblem at my house and I was pretty sure I was nearing the end.. then I failed to realize by taking the game to Tom's house, that I'd be without my save on my Wii. So I started another file. :p