Peacebringer vs IFS after *maybe* next patch

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I'm sure this has already been discussed somewhere, but couldn't find a clear answer.

Any consensus on which of these weapons (Peacebringer or IFS) will be better after the 2h revamp that will eventually be implemented? I guess also factoring in monks getting triple attack, but maybe not factoring weight as an issue.

Also, any theorycrafting on why and how much one might be better than the other?