[bodnotbod]

: newbie grunch - I may be off-beam :

I think the conventional wisdom is that this pot is too large not to call the river.

It is by no means certain he has the flush, it is only certain that none of the folders had it ;o)

If I remember correctly the salient quote is "nobody made much money making difficult folds on the river". You've got trips, you could easily have the other guy beat: bearing in mind your read of the table the likelihood of this increases.