I was thinking about making also "flat" backcovers for single battery, yet, I though it's quite pointless to replace same elements. For sure, "big" ones are first priority, yet, in case of enough interest in flat ones, why not?

As for back-stand, as I've written, Aluminum model is going to have *much* better kick-stand, without all those flaws. Don't worry, it's going to be rock-solid even with keyboard slided out. Also, for sure the same will apply to "flat" ones, if they're going to emerge - proper kick-stand is a must

/Estel