@jordinho
here is a link of your combo
D700 + AF-S 17-35mm f/2.8
Investment wise, para naku deli ko mo switch. Kay sooner mag drool manka sa trinity (14-24, 24-70, 70-200), once makuha na nimo ang trinity. Mahimo ng extra baggage ang mong 17-35... IMHO
BTW i'm a Nikon DX user.....