They may have their uses. Obviously it depends on how you pack, but my 1095 packed slabs frequently come out almost exactly 2lbs on the dot. Some lighter, some heavier. However, even 2.01lbs puts me in the 3lb cost range. That price difference can be upwards of $4-5 depending on the zone it is shipped to. If the Geminis can be reliably shipped under 2lbs, then it may be cheaper to use those in certain instances. Also keep in mind that Priority is more expensive than the new Ground Advantage tier. It's very possible that "free" box is costing you more to ship now.