Actually The nats have 4 top 100 guys in Scout.coms rankings. Weiters is the real deal, but those other guys are just that prospects. And Aside from them the orioles dont have much else in their system. Most minor league rankings are based on top heavy talent meaning guys that are big league ready. I agree they they probably will be good, but when they get called up they will take their lumps like Lannan, Martis and J Zimmerman will. Keep in mind that Lannan and Martis won't be more then 4th or 5th starters when its all said and done.
The Nats are actually very talented in the lower tiers of their system. Guys such as Chris Marerro who had a freak injury last year can mash. Michael Burgess can Mash, Adrien Nieto, Jack Mcgeary, Derrick Norris, Destin Hood, Daniel Espinoza Stephen King, Bill Rhimehardt, Marcus Jones etc all except Espinoza and Jones are under 20. Espinosa is slated to be the Shortstop after Guzmans contract is up. He's very very fast and a switch hitter. Played at Long Beach St.. Much of the talent the Nats have drafted has been High School guys. Much more so then several other organizations.
And btw. Elijah Dukes Does not Suck, neither Does Flores, or Zimmerman.