After months of nearly nothing, I recently found:

Monster M-80 (24 ounce cans)
Monster Hit Man Shots
Jolt Orange Burst (12 ounce cans)
Jolt Power Cola (12 ounce cans)
Juiced Energy (8 ounce cans)
Hansen's Energy Pro (8 ounce cans)
Ocean Spray Diet Cranberry Cran*Energy (4 pack, 8 ounce cans)