Sheets, Blankets, Pillows

Duvet ?!?!?
I do not know where to go for a 1000 super thick wires down comforters or comforter? My price limit unlimited. please help! THANKS !!!!!!!!! : D
Downlite have cotton sheets with thread number in 1200. Quilts of feathers come on top of a thread count but are super thick, and the [...]