Had a feeling Vita and 3DS hardware numbers were going to be close enough this week that the two trackers would have one over the other and visa versa. If you take the average between the two the 3DS sold 37,552 and Vita sold 37,516. Thats damn close and pretty much a virtual tie.
PSN: extremeM
PlayStation Vita Japanese Software Sales (Media Create Physical/ Famitsu Digital)