The May collection isn't all that bad, though I have seen better. The "fun collection" for petite sizes also seems to have increased slightly. Note that I said SLIGHTLY. Another issue is that their sizes are still hideously large for what they are and really should be introducing 00 and 00P (especially with bottoms). Anyway, here are a few pieces that I recommend/like:
Ameilia Tank
Solid Caterina Top
Denim Pencil Skirt
Polka-dot Rosette Dress
Now here are a couple of pieces that I absolutely LOVE, but are not part of the petite collection:
Embroidered Linen Tunic
Angler Print Tank Dress
J.Crew has also introducted a yoga collection. Unfortunately the pants do not come in a petite/short inseam. The regular length is 32".