What is the best wireless controller for emulators?

[dprush83]

I have everything set up through the arcade, but would like to get two wireless controllers for Playstation, SNES, et cetera.  Does anybody have any suggestions for plug-and-play wireless controllers that respond well through emulation and don't have troubles with 2 players at the same time?

[dprush83]

Well this is a long shot as there was no feedback, but I was told I could have two of these controllers and program them separately; this is not necessarily turning out to be the case.  These feel GREAT and love the gameplay, but when I program device 1 and device 2 the most recent works for both and there is no distinction between the two.  Does anybody know a way to correct this and separate the two?

[Ummon]

Sounds like something in game pad options in Windows.