Uh oh, here comes the dreaded light twin rumor again. Please enlighten us WD. (No i'm not going run out and buy one.)
Patience, Grasshopper. This kind of thing takes time. A/C type, A/C, conversion slots, money, and a customer take a lot of effort and timing. If you haven't noticed, the US went through a rough patch the last couple of years, which may of had some affect on the process.