Hi Edward,

I have the D90 with the 18-105mm kit lens. My son has the D5000 with the 18-55mm kit lens.
Our current lens setup is as follows:

D90:
Tokina 11-16mm f/2.8 DX
Nikon 18-105mm VR
Nikon 70-300mm VR
Sigma 50mm f/1.4
SB600 Speedlight

D5000:
18-55mm
55-200mm VR
35mm f/1.8 DX
SB600 Speedlight.

These kits seem to cover most of our needs.

For macro work I use the Sigma 150mm f/2.8.
I find the 50mm f/1.4 to be a very nice length on DX format for portraits.

My son loves the 35mm, but I find the lens to be a bit too normal for my tastes.

Ken Rockwell has some interesting points of view. You might want to check out some other sources for a more balanced perspective.
You'll find some nice Nikon reviews at www.bythom.com.