While many have called him the best draft prospect of the last 10 years, no matter how many years you want to go back, you will not find a prospect who can match Luck's readiness and ability.
Luck will be tasked with taking on the face of a franchise and leading them back to contention. He's ready to do it with exceptional pre-snap intelligence, great command of his arm and the size and speed to be a factor getting outside the pocket.
The Stanford product has no real weaknesses. The only argument you could make is that he doesn't have great room to grow and improve as a player once he's in the NFL. Is that picky? Yes, exceptionally so. Many have looked for two years to find a weakness in the game of this all-time great, and there are none that stick.
He enters the NFL with incredible pressure to perform, but if his college career and pre-draft workouts are any indication, Luck will quickly be one of the best quarterbacks in the NFL. And that's a good thing, as he'll be expected to step in immediately and put the team and city on his back.
The Colts didn't overthink this and took one of the best QB prospects of the last 15 years. Barring any major unforeseen development, Luck will be the Colts' day-one starter and stay in that spot for the next decade plus.