What do the resident Atheists think of Mr. Peter Kreeft’s work?
I am not terribly impressed. Mr. Kreeft’s arguments appear to be written to reassure people who already believe, not to convince those who do not.
As an example, in his Argument from Pascal’s Wager, he addresses only one of the concerns that Mirdath and MerryAtheist brought up: That believing in God only as a bet is not what is required of most major religions. This is a small point, and even Mr. Kreeft admits that it is not an ideal situation and the new believer will have to go further before God is pleased. He fails to address any of the major issues that atheists and agnostics have with the argument.
The other main problem I have with his writing is that in his attempt to relate taking a chance in believing in God to situations with the real world, he sets up situations that are black and white. Either it is sane to take a chance, or it is not. As Mirdath and MerryAtheist pointed out, Pascal’s Wager does not lead to black and white conclusions, there are a myriad of gods/goddesses to believe in, many of whom can be worshiped through different, contradictory religions. Regardless of which one you pick, another is still condemning you to hell.
Oh, and he seems that think that you lose nothing by believing in, and following the commands of, a God who does not exist. I disagree, if you read over these forums, you will find plenty of instances where people have had to sacrifice due to their belief in God. You also risk the possibility that another God does exist and sends you to hell anyway

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