Queen of what exactly.? There is a concrete date now and there is more hype for this than Lightning Returns. LR will earn about 1 million in sales in physical just like XIII-2 and a few thousand in digital.
X+X-2 HD will very likely surpass that earning mark.
-Vita release date is same as PS3's. (3/18/14)
-Vita retail version is just FFX with FFx-2 download voucher.
-Both games HAVE to be bought together
-Can be bought on PSN for either system.
-NO cross-buy but does have cross-save