I can try to......
I just finished with the front/back +93sv setup......awesome setup, very easy to use, setup and navigate the menus.......
Here is what i have:
Console: +93sv w/GT15 in hull and UHD on jackplate.
Bow: +93sv w/GT52 and PS22....
Both units and panoptix connected to the GCV20 box. I don't have any experience with Garmin much less the transducers but Leonard suggested the GT15 and that's what i went with. So far so good especially since it's shooting thru the hull.....lot better return than my Lowrance, my guess it's due to the power of the ducer and great read at high speeds above 60 mph....The UHD, is a lot better than the GT52 on bow, only thing i don't like is, its a set frequency on clear vu and side vu, can not change frequency. As for the units, great, easy to use, LOVE the Quick Draw contours. Like computers programs, you will learn and figure out the menus as you used it more frequently.
The only "issue" i have is they are 9" screens, wish they had them in 10" & 12". Actually i got the 9's banking on them coming out with bigger screens.....