I'm not trying to crap on Cam, but goalies just don't return a lot of value. Cory Schneider is one of the best goalies in the NHL, I don't see Talbot having near that value; and you still could make an argument the Devils should have kept the pick and just took Bo Horvat instead.
Can we view the two side by side? Not counting in Schneider's first two seasons, where he played 8 games and then 2, respectively, considering those were the least indicative of his play. He had horrible GA both of those seasons, so this actually works in Schneider's favor.
25GP-1372M-16W-4L-2OTL-2.23GA-.929S%-1SO
33GP-1833M-20W-8L-1OTL-1.96GA-.937S%-3SO
30GP-1733M-17W-9L-4OTL-2.11GA-.927S%-5SO
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88GP-4938M-53W-21L-7OTL-2.09GA(Weighted GA)-.931S%(Weighted S%)-9SO
Talbot
21GP-1211M-12W-6L-1OTL-1.64GA-.941S%-3SO
36GP-2095M-21W-9L-4OTL-2.21GA-.926S%-5SO
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57GP-3306M-33W-15L-5OTL-2.00GA(Weighted GA)-.932S% (Weighted S%)-8SO
So Talbot played 1 less season than Schneider, that actually mattered, in this comparison. Schneider played 30 games in that season. There is a difference of 31 GP between the two. This same differential accounts for the 1632 less minutes that Talbot has played in goal. That is more or less the amount that Talbot would play if he played one extra season for us before we were able to trade him. Talbot has won 62% of the games that he has earned a decision in. Schneider had won 64% (Note, I counted OTL as 1/2 a Win, cumulative). Difference of 2% better for Schneider, winning rate. Talbot lost in about 31% of his decisions, Schneider in 28% (Note, I counted OTL as 1/2 a Loss, cumulative). 3% more losses for Talbot. The last remaining cumulative statistic that I have included is SO. Talbot had 8 over 2 seasons while Schneider had 9. Not a make or break statistic, but it is impressive nonetheless.
In terms of weighted statistics....
Talbot had a better GA: 2.00GA vs. 2.09GA for Schneider (marginally better, as Schneider is marginally better on W and L %)
Talbot had a minuscule advantage over Schneider on weighted S%, too. 93.2% vs. Schneider's 93.1%.
I view their production as nearly identical. And I don't use the team's in front of them as an excuse, as both teams were dominant around the league, Vigneault system coached, and started with quite decent defenses in front of them.