There's a lot of them, I'm sure we could get this thread to 1,000 is everyone named just one unique person. Simon Gagne and Justin Williams are two others. Many that came from Europe, finally came over because they wouldn't have to play in the AHL.
Here is one-road less-traveled though: Dainius Zubrus. Not only did he not play in the AHL, but never in any high-level junior system and only because of the 04-05 lockout did he play in a pro league that wasn't the NHL, when he went to Russia. The Flyers drafted him out of the OHA Junior A and made the Flyers out of camp.
On another note, we'd have a million pages on HF Boards crucifying a team/GM if that happened today.