Hi, My first post. This subject might be old hat for you guys, and I did search first, but, I have a 1997 and a 2007 '69 pedal. The older one has the blue switch that doesn't "click" quite the same as the newer one, which has the black Fulltone switch, and works like every other switch I'm used to. It's the kind that uses the plastic cap, which is actually missing btw. The 1997 works fine and on a quick A/B comparison they sound the same. Is the older one true bypass? Is there any reason to upgrade if it works the way it is? Also, since there is a 10 year gap, are there any changes to the '69 that were made that make the newer one "better" in any way. Like I said, they sound the same so is either one considered the one to have? Thanks.