Who sells the best Ghillie suit?
thats an easy one. the best Ghillie Suits are not sold...they are MADE

you're the only one that knows what area you plan to use it in. you know what the vegetation is like and you know the temps you plan to use it in.
I got a cabelas one for a gift 10 years ago, thougt it was great but in reality, the only place it would have been any good would be sitting up against the dark bark of a hard wood tree.
I bought a "Bushrag" in the desert scheme about 5 years ago and thought THAT was great, but in reality, it snagged on everything, had potential to tear, and didnt look natural.
I completely took it apart last year, saved the net, and about 10% of the synthetic jute that was attached to it. Got out the needle, thread, canvas and some old desert bdu's bought natural vegetation from Tactical Concealment as a base, and went to work. the area i use my suit is wide open west river south dakota prairie. grasses that are tan and brown 9m out of the year. I got Stalkgrass, and Bristle weed from the interweb and started gettin it tied up. used a brown spray paint to darken some of the stalk grass and bristle weed before i tied it on so it wasn't so light colored. did the same with a bright green but that was very sparingly. i covered the suit about 75% with that stuff from Tactical Concealment and use natural vegetation from the area i am hunting tide on by the 10% of synthetic jute that i kept. after all the work is done...go out in the garden, dig a hole, burry it for a couple days and let it chill. pull it out, dust it off, put it in a tote box and your good to go.
(obviously there is a lot more detail to the build, but thats another story all together, and there are many many methods to building one)