Hi, wondering if any of the member own the Sigma 24-70mm F2.8 IF EX DG HSM. Looking at getting one for my D90 (I know it is a FF lens but not concerned about losing wide angle as I prefer to shoot at the longer focal)

The lens is close on $1000 - $1200 so really wanting to make the right choice in lens. So wanting to hear the thoughts and opinions from anyone with that lens before I invest that sort of cash.

My other option is the Sigma 17-70mm F2.8-4 OS HSM - So again anyone with that lens care to share their thoughts and opinions would also help !!!!

Thanks