portable fish finders

[blades]

hey guys another survey for us.I looking for a portable fishfinder but don't have a clue which one,with all the different price ranges.I like to fish and know the structure but i by no means a pro.I was looking at rhe hummmingbird piranhamax150c would this be fine.Input please.

[poorfisherman]

I bought a 150c last year and was really happy with it.  I mostly fish at deif and need to get on structure it worked well.