But SE need people to pay for the extra retainer spaces. >_>

and kidvideo, you are behind on time. FFXI added Porter moogles that can store a huge selection of armors and can take pieces in and out 1 at a time
http://wiki.ffxiclopedia.org/wiki/Porter_Moogle

Each storage slip is a 1 time 1000 gil fee, can use forever.