First decide what kind of water / lakes you will fish most of the time and how many people
I had a 1648 war eagle with a 25 HP. It was great for the small lakes and oxbows in NE AR.
We started fishing Norfork more and more and one nice day ( 30 MPH plus winds and almost 50 deg temps )
I hear a wife saying " I not having any fun " I might add she was a very wet wife from the waves hitting the sides.
It is nice when the wife sends you boat shopping. And yes I got a deep V that has rivets.

The small flat bottoms are ok on the arms of the lakes / rivers or small bodies of water.
If you are going to be out in the main parts of the bigger lakes, get a boat that will handle the waves.
Also take into account how many people you will usually fish with. The 16 foot boat wareagle, you limited to 3 full size people.
I think I can name another website here. iBoats.com has a forum section for each boat manufacture. ( lund, tracker,xpress )
Read them to look for any outstanding problems a model may have.