MyFishFinder.com Just like iceshanty but warmer
I really like my Vexilar FL-20. The zoom feature comes in handy for bottom hugging perch and walleyes.
I really like my Vexilar FLX-28 but you make an enticing argument about the marcum with be able to zoom in on any part of the water column but still see the entire water column. Would be a handy feature for sure.