two suggestions, 1. look at hodgesmarine.com best prices I have found online 2. look at the simrad nss series.
I have a nss7 and I considered every brand out there. Structure scan is nice. I think it could be useful for fishing the ship channel and the jetties, but I think the lake itself is probably too shallow for it to be very helpul
Garmins are generally the most user friendly
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