Looking for some rare puzzles

[guinepigs rock]

I am looking for these puzzles I have the gray one in the top left corner but am looking for the rest and a purple turnstile if any one has these I would like to buy them. http://www.jaapsch.net/puzzles/turnstil.htm
http://twistypuzzles.com/cgi-bin/puzzle.cgi?pkey=997
http://twistypuzzles.com/cgi-bin/pdb-search.cgi?act=inv&key=55
http://www.jaapsch.net/puzzles/trillion.htm

 

[qqwref]

I think you an actually buy most of the Douglas Engel puzzles from him directly: http://www.puzzleatomic.com/