As for CB's, I don't see us drafting another. Last year we went into the season with 3 vets and 1 rookie on the roster. Now we have 3 vets and 2 rookies. If we add another DB, it may be a safety, but ...
Heath and Frazer are true safeties
Scandrick, Carroll, and Brown are true CBs
Jones and Awuzie can both play S and CB
We have lots of flexibility and better depth already, and with all the CBs drafted this year, we are more likely to add another vet during cut downs, and let's not forget Blanton-S, McFadden-CB, and another S and 3 CBs on our Future/reserve list. There's just no reason to take more CBs than you can carry on your roster.