> Is the advantage of the 16-45 (whether SP or AVS (Pat M?) or whatever) > going to be that great over the 15-50 D40? NO ! get the 15-50 size. reasons: 1. you'll get a better ride. 2. the grip difference will be minimal. 3. the tires will be less prone to blowing out on pot-hole edges (etc). 4. you'll save your dollars for other expenses. m