There's a 1998 20' SeaCraft here in the Destin area with an Etec 200 on the back. No T-top or tower, but with a spray dodger on the bow, and he claims a WOT of 58-60 mph at 5800 rpms in a light chop.
It was a pretty boat: covered in kingfish blood when I saw it.
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Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes.
Fr. Frank says:
Jesus liked fishing, too. He even walked on water to get to the boat!
Currently without a SeaCraft 
(2) Pompano 12' fishing kayaks
'73 Cobia 18' prototype "Casting Skiff", 70hp Mercury