I started spending more time in an older Ocean Kayak… Trident I think? 13′, sit on top. I was looking at the new Prowler Big Game model late last year, and would love it. A little slower as it is a bit wider, but looks super stabile, and the adjustable height, greatly improved seat felt so comfortable.
Be careful, it is an addiction. Getting back to the basics, simple, close to the water in a small boat is fun. I move a small depth finder of the front of my big boat onto it, and use a vex battery I drop into a glued in tuperware snap closed container inside it. Rod holders, tether lines for rods and everything. Kayak anchors and such… like I said, an addition, but a great one!!!
This would be one of my choices if getting something new: http://www.oceankayak.com/biggame/
That, or I would look at the ones with the foot paddles. Heard they are very nice in a little wind or current where you can hold yourself in position while fishing… but they get even more spendy.