From 2006 on, you are missing quite a lot.
2006 Yankees draft
MLB players
Ian Kennedy- likely 4th starter for the Diamondbacks
Joba Chamberlain- 5th starter in 2009 and set-up man in 2010 for NYY
David Robertson- set-up man for 2010
Mark Melancon- cup of coffee in 2009, will be up in some capacity in 2010
Daniel McCutchen- 5th starter for the Pirates in 2010
Others of note:
Dellin Betances- coming off TJS, still has more ceiling than anyone
Kevin Russo- just got beat out by Ramiro Pena for utility guy, will see some time in the Bronx in 2010
George Kontos- recovering from TJS, likely to be in the bigs in some capacity in 2011 as a starter or relief
Zach McAllister- will be the first starter called up from the minors, will debut at some point in 2010.
Colin Curtis- afterthought turned back into prospect with strong showing in AFL and ST. Might be a 4th OFer by the end of 2010 or 2011
Out of 1 draft, that's 3 major league starting pitchers and 2 major league relievers for 2010 alone. By the end of 2010, it is likely that 8 players from the 2006 draft will have major league experience. That is a ridiculous amount of talent from one draft.
From 2007 on, there is a lot of talent, but nobody has hit the bigs yet. None of the drafts are 2006 level drafts, but they all have very promising players. From Romine, Brackman, and Suttle from 2007, to the very solid 2008 draft (even without Gerrit Cole) to the very promising 2009 draft. A lot needs to bear our, but 2006 was one hell of a draft, akin to the Sox 2005 draft, which restocked their farm quickly. The problem in NY is, that we dont break our guys in quickly enough, AND, we have been later to the game. Trust me, the drafts from 2006 on will yield just as much talent.
The premise of the INTL market holds true, though. The Yankees have always been the organization for INTL signees because of their name and their cash flow. From Rivera and Mendoza, to Montero, Aceves, Cano, Wang, etc, we have always scouted well overseas.