New Yak and fish finder

[Paddlefish]

It definately helps , my biggest concern is not being able to try one first , meaning the kayak . The fish finder is something I know a little more about . As far as fish-ability and portability what one ,counting pros and cons would you recommend I'm 5'7" around #200-#220 . I also plan on making a dolley to transport and haul hehind a mountain bike to state areas banned from motor vehicles ,so weight will be a factor.