A lot of players agree with me that BTA bags, quivers etc from the store would be something we would like, and would actually be more likely to purchase. As it is now, since you can't easily trade them between alts via shared bank, they have limited utility, and I now buy none at all, whereas if I knew i could transfer them over, I'd buy a certain amount.
And of course, making character bank slots account wide would mean more people would buy them as well. Of course, don't know the numbers, and maybe there ARE that many people snapping those up for two three or four characters. You could offer both, and simply charge more for the account wide upgrade, allowing non-altoholics to weigh pros and cons.
That goes for pretty much anything else that is character only, or BTC. As it is, people are not only weighing the cost, but whether the BTC/character only status of whatever it is is only there to gouge them.Of course, this isn't the only thread on this, but since you're doin some updatin, thought it might be timely.