If no one has ever flown a list with 6 named Tie Fighters, I recommend it. Actually, fly it without Howlrunner. She's best used for formation flying and as many ties as you can get. This list doesn't really fly in formation. It literally swarms your opponent. You have to be good about not bumping, but playing with it can make you a better player.
Not quite this, but one of my favorite lists is "Fel's Flying Circus:" Soontir Fel (PtL, RGT, AT, SD) + Mauler, Backstabber, Night Beast, and Dark Curse. Everyone focuses on Fel, but the TIE's can do some real damage while unmolested.
cool list
sounds entertaining to play with