#43 - nice but I am not sure I want to focus too much on the "a"
#44 - cool also, but it looks like some logo I saw... a bit too common
#45 - same as
#44 but I am not a huge fan of the colors
#46 - fun concept... but I am not sure we want to emphasize on the "a", and the color is not the best
#47 - nice concept - color not so nice - just unsure about the "meaning" of the logo
Overally I really like graphic style, I think colors could be better, but I'm still missing the shape or the element that will make it as a winner