Going on a 7D tour to China from 24/12/05. I am thinking of getting a travel lens like Nikon AF-S DX VR 18-200mm F3.5-5.6G IF-ED. However, I may only get to see this lens after I come back from China. Therefore, from the list below, which travel lens could I get if I cannot get Nikon AF-S DX VR 18-200mm before 24/12/05?
Nikon AF-S VR 24-120mm F3.5-5.6G IF-ED
Sigma 18-200mm F3.5-6.3 DC
Sigma 18-125mm F3.5-5.6 DC ASP IF
Sigma 24-135mm F2.8-4.5 ASP IF
Tamron AF 18-200mm F3.5-6.3 XR Di II
Nikon AF-S VR 24-120mm F3.5-5.6G IF-ED
Sigma 18-200mm F3.5-6.3 DC
Sigma 18-125mm F3.5-5.6 DC ASP IF
Sigma 24-135mm F2.8-4.5 ASP IF
Tamron AF 18-200mm F3.5-6.3 XR Di II