I bought some cake flour out of curiousity--I wanted to see what, if any difference, it would make in from-scratch cakes. I don't know why I bothered, honestly, because I almost never make cakes from scratch. I don't think I would have noticed a difference if there was. Meh. So that part was a waste.
but...
My reasoning for using box cakes is now solidified thanks to this "experiment". I followed the recipe on the back of the box (just a simple yellow cake recipe). As it turned out, I noticed very little difference between the from-scratch cake and a yellow box cake mix. Seriously, it tasted exactly the same as a box mix, after all that work! If fact, it seemed a little drier than a box cake. Which is good if you're making carved cakes (which I have yet to do) but not so good if you're like me and like your cake moist.
As for box cake brands, I've tried them all, and I like most of them (Pillsbury, Betty Crocker, and Duncan Hines) although Duncan Hines is my least favorite of the "big 3" (I think the cake turns out too dry). The Kroger brand cake mix was awful.
To be brief, I think making cakes from scratch is generally a waste of time.
To be brief, I think making cakes from scratch is generally a waste of time.
Though I must say that the orange cake recipe and the chocolate cherry cake recipe are definitily worth your time if you want to make a cake from scratch.