For me my flasher is fish in the boat, nothing catches me more fish than my flasher, short of a camera nothing gives quicker feedback. As most fishfinders today being realtime, I dunno… (haven’t used enough different types to be sure in my opinion) they are quick but I know my x-51 cannot tell me info like a flasher does, if I pull into a spot and I think there may be fish there, the flasher is the only real true thing I trust, since mine is in permenant icefishing mode, I just drop my transducer over the side, and that will tell me right now what’s really going on down there. The if I drop a jig down, I can watch them react to it, and see their interest, not to mention it tells the tale pretty quick of which way they want it, jigged, jiggled, snapped or deadsticked. Instant feedback, something I just cannot get my x-51 to do, even in the “flasher mode” which I think doesn’t work??? Given the choice of one or the other for a boat, I’d still take a lcd graph it can so you more about stucture than a flasher could, because of the history it shows, it can also show you bait/fish pretty good, it’s also easy for anyone to look at and read. Flashers on the other hand take a bit of explaining, but once people get the concept it’s clear as day. Ice fishing they cannot be beat, the ablility to shoot through the ice is awesome, you can check you depth so easily, and after drilling a hole you have the instant feedback a graph doesn’t give (IMO) and the screen won’t freeze up. I have a buddy who has always used his lcd graph, (a very nice one at that) for all his fishing, after icefishing with him a couple times, after I made him watch my flasher I could see a fish follwing his bait he couldn’t, and after he watched the flasher he caught it, his graph did nothing for him. Instant feedback in the key IMO, in a sport where the fish can decide in a matter a fracton of a second what it wants to eat, instant feedback gives you better odds in my book anytime, anyday. I use my flasher everytime I take the boat out, without it I can make due, but it certainly makes my days easier. This being said I have not hooked my flasher up so it works when I’m moving more than a couple mph, and use it primaryly for jiggin’. Secondly it is rather hard to keep your bait in sight on the flasher on the river (open water) with some good moving current, but it is possible, I don’t seem to have this problem so much in lakes without the current. There are days out on the lakes that my lcd graph said there were no fish, it indicated nothing, nothing at all, and 2 things told me there were fish to be found in this area, one another fisherman in around the same depth quite a ways away, knowing the lake I knew I was on the same flat he was, secondly the flasher told me the fish were indeed there, only very tight to the bottom, and not active, but with the flasher I could see what I needed to do to get them to bite, it gave me the confidence to stick to the area and fish these fish, and it payed off I know the other boat I used to help me find the fish, caught some fish, I didn’t see of any others caught from the couple other boats out there, only my flasher could do this… Honestly I can’t figure out why people moth ball them in summer, they are great year round, and like I said cannot be beat in Winter. YMMV