RE: with my setup what would you use..please help
I'd run 4" feathers if it were my choice. Like SA said, they'll work with any setup.
I've heard the theory that Blazers won't work so well with lower poundage bows shooting slower speeds and my gut feeling is it might have merit. I've not tested it though so all I can do is guess. The only way to find out for sure is for you to try them with the broadheads you intend to use and see how well they do.
Then there is always plain ol' duravanes.
If you're interested, I ran a calculator to find out an approximate figure for what feathers vs vanes would do with your weight and FOC. Assuuming you use Beman 500's, 4" feathers will yield arrow weight around 334 grains and give an FOC of approx 14%. 4" vanes will yield 351 grains but knock FOC down around 11%, which is still good, just quite not as good. Blazers would be somewhere in between, if you can get them to work.