Right now, I'm using a maxi-fletch feather:
They are more like a banana cut but not quite. I think that theystopped makinga banana cut feather, so you may have to cut them yourself (or someone else). I'm probably going to get a cutter myself to make them soon.
My preference between shield and parabolic goes to shield cut.
Some swear by the tape, but I have had some trouble with it. I stick with glue myself and wait long periods for it to dry. I'm usually not in a hurry.
As far as broadheads go, I use a muzzy 145 grain for whitetail. But I may go with a stinger 150 grain this year.