Which lens??

[ilweran]

I'm looking to get another lens. I was warned when I joined the forum about how much it was going to cost me, but hopefully this will temporarily be the end of the spending.

I have the D50 kit lens which is 18-55mm and the Sigma 70-300mm APO & I want something inbetween that I can leave on the camera most of the time.

I've already crossed some off the list, but does anyone have an opinion on any of these-

Nikon 24-120 AF-S f3.5-5.6
Nikon 28-105 f3.5-4.5
Sigma 28-135 f3.8-5.6

At the moment I'm thinking of the second Nikon lens.

Thanks