Im very sure that the 150 mbtc GTD tournament twice everyday for 0.5 mbtc buy in is sure a very great deal as well but people just dont realize that. It needs 20 player however with 50k satoshi you have a chance to win huge amount . If it is hard to get enough player for the 150 mbtc GTD perhaps it would be better to split it into 75 mbtc GTD for 0.5 mbtc buy in and run it 4 times a day , that cost the same as the previous just with less player requirement