Finally, I'm getting some time to kick out the jams. Listen to Jeff Beck's, "Loud Hailer" with and without the subs on. Depending on the type of music I'm listening to certainly tells me whether the subs are a must or not. The II's continue to impress me with a better balance sound then the I's I had. Maybe it is the improved tweeter, the titanium diaphragm, tweaks I made to the cabinet, or crossover mods. Regardless, when comparing both pairs, before and after mods, the II's seem to be a better sonic value.
Don't get me wrong, both sets have the Klipsch house sound. They are punchy, with an emphasis on the midband. It is just that the I's were a bit too hot in the midband and required additional tweaks to balance them out. The II's on the other hand, are punchy but better balance.
Oh, and there is that Klipsch midband seasoning that you either like or don't. But, hook them up to tubes and you are often nicely rewarded. Anyway, although I bought these as a project to enjoy for a short time and then sell, I'm really considering keeping them. It looks like I might have to sell a pair of microphones in order to rarionalize keeping them. These guys are sounding nice and they look freaking incredible, too.