I had decided to buy the 14-54 lens next week, when today's Popular Photography arrived with a review of the new 14-54 II lens. PopPhoto refers to it as a "superstar", but it costs $200 more than the older version. Does anyone have any information comparing the two? Is the II version worth an extra $200? Are the users of the older version happy with the results you are getting from it? Now I am just confused about whether to start saving an extra $200. All opinions, information and guidance will be appreciated.