If anyone's near the main Queens Quay store, I noticed some 2007 Diadema D'Amare on the shelves for $22.50. This is an excellent price for this wine and I left 2 bottles on the shelf. Apparently they "found" a box out in the back just sitting there and decided to put it out.
Also on the shelf at QQ is about 8 bottles of Diadema Bianco in a beautiful golden bottle. It's on sale for about $44 down from $58.
None of these are in LCBO's inventory system so don't bother checking.