Since you're just starting out, you could save your money and get a used lens. I'm particularly fond of my
SMC Pentax F 35-70mm F3.5-4.5. It cost me next to nothing on eBay. Compared to the kit lens, it's:
- lighter
- smaller
- faster (aperture-wise)
- faster focusing
- longer reaching (70mm vs 55mm)
- sharper at all focal lengths
It also has a decent macro feature, I can focus down to 6 inches from my subject at 70mm.
On the other hand, it doesn't have the same wide range (35mm vs 18mm), but that hasn't bothered me one bit. The front lens element also rotates on focus, which makes using a polarizer annoying, but I don't use one with that lens anyways. For $10, it's hard to go wrong. Even for $100, it's well worth it. I use it more often than any of my other lenses, it's on my camera almost all the time. If I ever damage it, I won't feel bad, I'll just buy another.