The LX3 telephoto was not enough, so I purchased it. The 12x zoom is very convenient, after all. I use the LX3 for indoor and wide angle and the TZ7 for telephoto and video.
I have additionally purchased this because LX3 telephono lens was insufficient. 12 x zoom is convenient after all. For shooting indoor or in wide angle I will use "LX3", and "TZ7" for telephoto or movie.