Fred,
You didn't say which week-end you're going as that might make a difference in where the crappie are located. Blue Bank is in the lower blue basin on the southeast side of the lake, below Samburg, Tn. With the warm winter we've been having the fish may be in the shallow water stumps waiting to spawn. My main suggestion is to look for a bunch of boats off Green Island Point. If they are there, the fish are still hanging out in the deeper water. Try Swam Basin just around the bend from Green Island or Bell's Stumps right out from Blue Bank. Just look for the boats and ask at the resort, they'll tell you where to try.
All of the locals spider rig with minnows on a double rig. When we go, I drift with the wind over the stumps with jigs and jigs tipped with minnows. Watch the wind on Reelfoot as it can get you in trouble at 10 mph. I also take a TM and Depth finder with me and it helps find the fish. Making them bite is another thing. We'd had very good luck on red/char, bubblegum/char curly tails and blue/white and black/char tube jigs.
We go the 3rd week of April every year and when the wind lets us fish we do really good. If the weather stays like it has been, and you're going late in the month, you may hit it pretty good. The luck you have depends on the weather you have. Catching the crappie is the easy part. Once you locate them, stay on them until they quit. Then move and find some more. Hope this helps..Good luck and let us know how you do.