Thats not true, they only returned some major shipments. Major sellers are sending out stuff from china and dozens of packages from china have been received in the past two weeks and posted about on these forums they went though.
I also just spoke with a seller in china over msn and he said 10,000 sets + large amounts of liquid were shipped out last week to a major usa seller NJOY and they had no problems with customs.
I dont think TW is lying to raise prices, thats not it at all. I think some of their shipments were turned around and sent back (3 weeks ago) but since then that temp ban problem was resolved within a week. For the past 2 weeks nothing has been returned to shipper.