OK, here is my deal. (I havent looked at depth finders since I bought a Lowrance LM 522 many years ago. Well, the corners are turning black and the unit is starting to go out. So, that said, I'm now looking at something else.

At work we have this rewards program. We get "points" for various thing and mine has collected over the years. So I decided to check out Hummingbird units. Here's what they offer...

First is the Hummingbird 9 Chirp DI and GPS. (Pics)

Name:  HELIX 9 CHIRP MEGA DI GPS G2N.JPG
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and description...

Name:  HELIX 9 DESCRIPTION.JPG
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I'm more leaning towards SI too so this is the unit offered there...

Name:  HELIX 8 CHIRP MSI GPS.JPG
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and description...

Name:  HELIX 8 DESCRIPTION.JPG
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Now I'm assuming the first unit is a Gen 2 unit but the description on the "8" doesn't say. Guys, I'm sorta "lost". I know I'm going to have to contact somebody for some answers but not really sure what questions to ask. Does either come with cables and transducer, and which transducer do they come with (I'm assuming more than one can be bought for the SI unit?!?)? If none offered what will I need to buy and what will they cost me? Is the "8" a Gen 2 or Gen 3?

Help me out guys. When I do get somebody on the phone what do I need to be asking them? I'm not familiar with HB at all. Thanks in advance.