I'm having a ball with my 3wt just before dark. Even in a deep lake, it seems the crappie feed only a couple feet down in low light conditions.
I've been having great success with a 3wt and floating line. I use tungsten bead head mini-buggers size 12 3X in both white and black. The tungsten takes the fly down a couple feet, and I strip the fly back and the crappie will hit it almost every time!
Super fun on these super hot days. It's way too hot to fish in the daytime, and the trout streams are drying up! A 13" crappie puts a good bend in my Helios!
I'm a C&R guy, but I've kept a few for fine tablefare.