[jwmunro]

Here is my 2-cents or 2-Pence. If you are using a tripod, and you should in low light, the cost of Image Stablization is not necessary. I would select a lens that is realatively fast, f/2.8 or f/4. It makes no difference if it is a zoom lens or prime lens since zooms have the necessary quality. As to focal range, that is up to you and your shooting style and subject matter. I generally use a Nikon 24-120 zoom f/3.5-5.6 for most of my general shooting both daylight and low light.

Hope this helps in your decision making.