There's lots of good information in this thread. I did speak to a dealer out of curiosity and learned that on the 2120 for example, the 200 is 5k additional over the 150. I have done quite a bit of a driving in my young life and can honestly say I'm not a speed demon. I rarely go above the limit...
Hey, I apologize up front about what's likely some stupid questions. I worked on a ferry for a few years, have a 100 tons inland upgrade and am an avid fishermen hence wanting a Parker. Unfortunately most of my experience is on 6 packs and party boats. So I have a lot of experience on the water...