Kiki followed by McHale and Petrie.
The Nuggets have progressed rapidly from a sad sack team to a playoff contender and it was due to drafting Melo and signing some key talent.
McHale brought in the supporting cast to help Garnett without losing much as a result, and look at the impressive results so far.
Petrie created the core talent of the Kings long before this year, though Sacramento was considered a second level playoff team before the season began because of the roster changeovers. But the Miller trade not only brought in a terrific potential replacement for Vlade, it kept Brad away from other contenders who really, really wanted him. Then he stole Songaila away from Boston. That looked like a minor move originally, but Darius looks to be a legitiment NBA backup power forward who can give you a double-double if he started. Darius who? Petrie knew. But not a move that gets you #1 GM of the year, though with the Miller trade, he is again top three.
West's best move was bringing in Brown to coach essentially the same talent that only won 28 games last year. Great move, but GM's should be noted for impacting the talent on the team directly, not hiring the coach, or Kupchak should get all the credit in Los Angeles.