Dazzo,
The razor blade method works brilliantly. At first I was very hesitant but once I start getting into it, I really let go. I was working on the inside of the lid last night and took a quick picture. It isn't done but this shows what a razor blade alone can do for you.
DELETED the picture because the quality was crappy.
Oh, and my wife thinks I'm crazy. I told her how great it looks and her comment was "you cleaned it off just so you can get it dirty again."
I said "it will be MY dirt now!"
I got the 'itis' and it's gooooooooood.