The Ocean Kayak Trident Ultra 4.3 is the fastest sit on top I've paddled. It's length (14') tracks well without a rudder but a rudder is good for windy situations & fishing. The bow is shaped well to turn waves out for a dry ride, even in chop.
At 29" wide, it's a little narrow to stand up to fish from comfortably but that makes it a very fast boat. It's narrow stature doesn't compromise paddling stability though. The Ultra can handle some pretty rough water and never make you feel uneasy.
O.K. has designed a great console that provides a nice flat area for working with your gear (fishing, photography, etc) and a water bottle. But the great thing is that the console flips to provide a surface for mounting a fish finder and/or anything else you may want there. My graph is just small enough to stay mounted on the console and flip over to be stored in the compartment below with the battery and my lunch.
Behind the seat is a large storage area for more gear. It's perfect for a wide-sized milk crate for fishing tackle but is large enough to carry a fair amount of gear for camping. O.K. does make a cooler that is designed to fit in this spot. The bow also has a locking storage hatch which is much easier to operate than traditional hatches and still keeps the water out but doesn't seem to seal completely.
All in all, this is a great fishing kayak for a serious paddler - someone who likes a fast, efficient boat that is also a very well thought out fishing platform.