Since you already have a Conquest I'd suggest you look at the HD5 scopes by Zeiss.
Yes, they do cost more, and while I like my Zeiss Conquest 3-9 x 40 on my 30-06 I love my Zeiss HD5 on my .338 Win Mag. I'll be buying another one for my 6.5 x 285. The optical quality blew me away the first time I looked through it at dusk.