I have loaded 7/8 oz and 1 oz loads with the CB Lightning clone of the Windjammer wad for years and have had good results. The new WJII wad seems to have a slightly different leg section than the original design, so I don't know if the WJ (original) and the new WJII load data is the same. But when looking at the loads from the Hogden website, it says WJ, not WJII. There might not be any difference in loading spec's.
12ga.guy; I have an old copy of the IMR reloading manual, and they listed 1 oz loads for both the WAA12SL and CB clone (pink) using 700X seperatly. Their data showed the CB clone produced lower pressure than the WAA12SL for the same load, (powder,primer,case,etc).