I think the answer to both these questions is the same; it's not that we haven't put emphasis on OL or RB, it's that we simply can't close on them. Depsite the rest of us knowing this team has potential to be a playoff team if we had elite players in these "holes" in the roster, the rest of the country doesn't (including the elite kids around the country we need to fill those holes). To most of them, we are still suffering from the reputation of being an irrelevant program for 20 years, and finally having a winning season for the first time in how many years?
Those guys are hard to convince that we are going somewhere. Now, the counter point to this is Cignetti. Someone will always have the 'exception to the rule' and try to make it easier to do than it really is. But it's not easy.
I agree with other posters who have said this; if we can get 9-10 wins this season (that includes the bowl game) that will put us back on the map and I bet we start closing on those guys.